Question
Answer
$$(4x+3)(3x+4)=12x^2+25x+12$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(4x+3)(3x+4)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}12x^2+16x+9x+12 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}12x^2+25x+12\end{aligned} $$ | |
| ① | Multiply each term of $ \left( \color{blue}{4x+3}\right) $ by each term in $ \left( 3x+4\right) $. $$ \left( \color{blue}{4x+3}\right) \cdot \left( 3x+4\right) = 12x^2+16x+9x+12 $$ |
| ② | Combine like terms: $$ 12x^2+ \color{blue}{16x} + \color{blue}{9x} +12 = 12x^2+ \color{blue}{25x} +12 $$ |
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