Solve Quadratic Equations

(the database of solved problems)

All the problems and solutions shown below were generated using the Quadratic Equation Solver.

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ID	Problem	Count
5401	Solve $\color{blue}{\dfrac{1}{2}x^2-15000x+112500000 = 0}$ using factoring.	3
5402	Solve $\color{blue}{2x^2+5x = 0}$ using factoring.	3
5403	Solve $\color{blue}{10x^2-40 = 0}$ using factoring.	3
5404	Solve $\color{blue}{10x^2+x+1 = 0}$ using the Quadratic Formula.	3
5405	Solve $ x^2+8x-480 = 0 $ by completing the square.	3
5406	Solve $\color{blue}{-5x^2+20x+105 = 0}$ using factoring.	3
5407	Solve $\color{blue}{2x^2+4x+11 = 0}$ using the Quadratic Formula.	3
5408	Solve $\color{blue}{-2x^2-8x+4 = 0}$ using factoring.	3
5409	Solve $\color{blue}{5x^2-21x-4000 = 0}$ using the Quadratic Formula.	3
5410	Solve $\color{blue}{2x^2+3x-9 = 0}$ using the Quadratic Formula.	3
5411	Solve $\color{blue}{5x^2+3x-8 = 0}$ using the Quadratic Formula.	3
5412	Solve $\color{blue}{9x^2-11x+7 = 0}$ using the Quadratic Formula.	3
5413	Solve $\color{blue}{x^2+6x-4 = 0}$ using the Quadratic Formula.	3
5414	Solve $\color{blue}{12x^2-x-6 = 0}$ using the Quadratic Formula.	3
5415	Solve $\color{blue}{-2x^2-6x+3 = 0}$ using factoring.	3
5416	Solve $\color{blue}{-x^2+x+100 = 0}$ using factoring.	3
5417	Solve $ x^2-14x+42 = 0 $ by completing the square.	3
5418	Solve $\color{blue}{2x^2-3x+9 = 0}$ using the Quadratic Formula.	3
5419	Solve $\color{blue}{5x^2-8x+5 = 0}$ using the Quadratic Formula.	3
5420	Solve $\color{blue}{3x^2+20x-7 = 0}$ using the Quadratic Formula.	3
5421	Solve $\color{blue}{1.8943x^2+37.5028x+350.2979 = 0}$ using factoring.	3
5422	Solve $\color{blue}{x^2+2x-42 = 0}$ using factoring.	3
5423	Solve $\color{blue}{77x^2-9x+39 = 0}$ using the Quadratic Formula.	3
5424	Solve $\color{blue}{0.001x^2+0.001x-0.0007 = 0}$ using factoring.	3
5425	Solve $\color{blue}{x^2-3x-363 = 0}$ using the Quadratic Formula.	3
5426	Solve $\color{blue}{-\dfrac{1}{4}x^2+x-3 = 0}$ using factoring.	3
5427	Solve $\color{blue}{5x^2-x+9 = 0}$ using the Quadratic Formula.	3
5428	Solve $ x^2-400x+4320 = 0 $ by completing the square.	3
5429	Solve $ x^2-12x+28 = 0 $ by completing the square.	3
5430	Solve $ x^2+12x-9 = 0 $ by completing the square.	3
5431	Solve $\color{blue}{x^2+10x+17 = 0}$ using the Quadratic Formula.	3
5432	Solve $ x^2+28x+15 = 0 $ by completing the square.	3
5433	Solve $\color{blue}{3x^2+4x+1 = 0}$ using factoring.	3
5434	Solve $\color{blue}{2x^2+16x-3 = 0}$ using the Quadratic Formula.	3
5435	Solve $\color{blue}{x^2+5x-4 = 0}$ using the Quadratic Formula.	3
5436	Solve $\color{blue}{-2x^2+3x+4 = 0}$ using factoring.	3
5437	Solve $\color{blue}{x^2-18x+80 = 0}$ using factoring.	3
5438	Solve $\color{blue}{30x^2+15x+49 = 0}$ using the Quadratic Formula.	3
5439	Solve $\color{blue}{x^2+3x-1 = 0}$ using the Quadratic Formula.	3
5440	Solve $\color{blue}{2x^2+8x-9 = 0}$ using the Quadratic Formula.	3
5441	Solve $\color{blue}{2x^2+9x+9 = 0}$ using the Quadratic Formula.	3
5442	Solve $\color{blue}{2x^2-x-14 = 0}$ using the Quadratic Formula.	3
5443	Solve $ x^2-8x+4 = 0 $ by completing the square.	3
5444	Solve $\color{blue}{x^2-15x+25 = 0}$ using the Quadratic Formula.	3
5445	Solve $ 9x^2+18x+36 = 0 $ by completing the square.	3
5446	Solve $\color{blue}{12x^2-18x-2 = 0}$ using the Quadratic Formula.	3
5447	Solve $\color{blue}{4x^2-x-4 = 0}$ using the Quadratic Formula.	3
5448	Solve $\color{blue}{x^2-3x+8 = 0}$ using the Quadratic Formula.	3
5449	Solve $\color{blue}{x^2+5x-66 = 0}$ using factoring.	3
5450	Solve $\color{blue}{5x^2+4x-57 = 0}$ using the Quadratic Formula.	3