Question
Answer
$$\dfrac{6x^2-7x+2}{6x^2+2x-4}=\dfrac{2x-1}{2x+2}$$
Explanation
| $$ \begin{aligned}\frac{6x^2-7x+2}{6x^2+2x-4}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{2x-1}{2x+2}\end{aligned} $$ | |
| ① | Simplify $ \dfrac{6x^2-7x+2}{6x^2+2x-4} $ to $ \dfrac{2x-1}{2x+2} $. Factor both the denominator and the numerator, then cancel the common factor. $\color{blue}{3x-2}$. $$ \begin{aligned} \frac{6x^2-7x+2}{6x^2+2x-4} & =\frac{ \left( 2x-1 \right) \cdot \color{blue}{ \left( 3x-2 \right) }}{ \left( 2x+2 \right) \cdot \color{blue}{ \left( 3x-2 \right) }} = \\[1ex] &= \frac{2x-1}{2x+2} \end{aligned} $$ |
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Simplify Rational Expressions