Question
Answer
$$8x^2+5x+5-(8x+3)=8x^2-3x+2$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}8x^2+5x+5-(8x+3)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8x^2+5x+5-8x-3 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}8x^2-3x+2\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left( 8x+3 \right) = -8x-3 $$ |
| ② | Combine like terms: $$ 8x^2+ \color{blue}{5x} + \color{red}{5} \color{blue}{-8x} \color{red}{-3} = 8x^2 \color{blue}{-3x} + \color{red}{2} $$ |
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