Answer
$$(8x-2)(6x+2)=48x^2+4x-4$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(8x-2)(6x+2)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}48x^2+16x-12x-4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}48x^2+4x-4\end{aligned} $$ | |
| ① | Multiply each term of $ \left( \color{blue}{8x-2}\right) $ by each term in $ \left( 6x+2\right) $. $$ \left( \color{blue}{8x-2}\right) \cdot \left( 6x+2\right) = 48x^2+16x-12x-4 $$ |
| ② | Combine like terms: $$ 48x^2+ \color{blue}{16x} \color{blue}{-12x} -4 = 48x^2+ \color{blue}{4x} -4 $$ |
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