Solve Quadratic Equations

(the database of solved problems)

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

Select category

ID	Problem	Count
3601	Solve $\color{blue}{x^2-6x+21 = 0}$ using the Quadratic Formula.	5
3602	Solve $\color{blue}{2x^2-4x+5 = 0}$ using factoring.	5
3603	Solve $\color{blue}{x^2-8x-9 = 0}$ using factoring.	5
3604	Solve $\color{blue}{x^2-5x+20 = 0}$ using the Quadratic Formula.	5
3605	Solve $ 2x^2+8x-18 = 0 $ by completing the square.	5
3606	Solve $\color{blue}{2x^2+13x+60 = 0}$ using the Quadratic Formula.	5
3607	Solve $\color{blue}{-16x^2+96x+640 = 0}$ using factoring.	5
3608	Solve $\color{blue}{2x^2+7x+6 = 0}$ using the Quadratic Formula.	5
3609	Solve $ x^2+100000x+20000000 = 0 $ by completing the square.	5
3610	Solve $ x^2-10x-4900 = 0 $ by completing the square.	5
3611	Solve $\color{blue}{400x^2+1200x+1500 = 0}$ using factoring.	5
3612	Solve $\color{blue}{3x^2+6x-7 = 0}$ using the Quadratic Formula.	5
3613	Solve $\color{blue}{x^2+16x+63 = 0}$ using factoring.	5
3614	Solve $ x^2-8x+97 = 0 $ by completing the square.	5
3615	Solve $ 4x^2-320x-180 = 0 $ by completing the square.	5
3616	Solve $\color{blue}{6x^2-54x+120 = 0}$ using factoring.	5
3617	Solve $ x^2-37 = 0 $ by completing the square.	5
3618	Solve $\color{blue}{27x^2+4x-11 = 0}$ using the Quadratic Formula.	5
3619	Solve $\color{blue}{x^2-35x+24 = 0}$ using the Quadratic Formula.	5
3620	Solve $\color{blue}{3x^2-2x-3 = 0}$ using the Quadratic Formula.	5
3621	Solve $ x^2-4x-9 = 0 $ by completing the square.	5
3622	Solve $ x^2+80x+2500 = 0 $ by completing the square.	5
3623	Solve $\color{blue}{x^2-x-42 = 0}$ using factoring.	5
3624	Solve $ x^2-50 = 0 $ by completing the square.	5
3625	Solve $\color{blue}{2x^2 = 0}$ using factoring.	5
3626	Solve $\color{blue}{15x^2-18x-24 = 0}$ using the Quadratic Formula.	5
3627	Solve $\color{blue}{-\dfrac{3}{2500}x^2+\dfrac{3}{25}x = 0}$ using factoring.	5
3628	Solve $\color{blue}{3x^2-4x+2 = 0}$ using the Quadratic Formula.	5
3629	Solve $\color{blue}{100x^2-20x+30 = 0}$ using factoring.	5
3630	Solve $\color{blue}{16x^2-56x+49 = 0}$ using the Quadratic Formula.	5
3631	Solve $\color{blue}{10x^2 = 0}$ using factoring.	5
3632	Solve $\color{blue}{x^2+16x+48 = 0}$ using factoring.	5
3633	Solve $\color{blue}{\dfrac{2}{5}x^2+\dfrac{1}{20}x = 0}$ using factoring.	5
3634	Solve $\color{blue}{100x^2-180x+144 = 0}$ using the Quadratic Formula.	5
3635	Solve $\color{blue}{-5x^2+10x+7 = 0}$ using factoring.	5
3636	Solve $\color{blue}{4x^2-28x+40 = 0}$ using factoring.	5
3637	Solve $\color{blue}{56x^2+44x+8 = 0}$ using the Quadratic Formula.	5
3638	Solve $\color{blue}{-2x^2-x+6 = 0}$ using factoring.	5
3639	Solve $\color{blue}{3x^2-28x+45 = 0}$ using the Quadratic Formula.	5
3640	Solve $\color{blue}{17x^2-38x+17 = 0}$ using the Quadratic Formula.	5
3641	Solve $\color{blue}{36x^2+23x-3 = 0}$ using the Quadratic Formula.	5
3642	Solve $\color{blue}{2x^2-10x-72 = 0}$ using factoring.	5
3643	Solve $\color{blue}{113x^2-2700x+155000 = 0}$ using factoring.	5
3644	Solve $\color{blue}{11x^2+3x = 0}$ using factoring.	5
3645	Solve $\color{blue}{4x^2+6x-8 = 0}$ using the Quadratic Formula.	5
3646	Solve $\color{blue}{-4x^2-6x-2 = 0}$ using factoring.	5
3647	Solve $\color{blue}{5x^2+3x+7 = 0}$ using the Quadratic Formula.	5
3648	Solve $\color{blue}{17x^2-16x+14 = 0}$ using factoring.	5
3649	Solve $\color{blue}{12x^2-16x-3 = 0}$ using the Quadratic Formula.	5
3650	Solve $\color{blue}{x^2+5x-9 = 0}$ using the Quadratic Formula.	5