Tap the blue circles to see an explanation.
$$ \begin{aligned}(4x+3)(x+6)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4x^2+24x+3x+18 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}4x^2+27x+18\end{aligned} $$ | |
① | Multiply each term of $ \left( \color{blue}{4x+3}\right) $ by each term in $ \left( x+6\right) $. $$ \left( \color{blue}{4x+3}\right) \cdot \left( x+6\right) = 4x^2+24x+3x+18 $$ |
② | Combine like terms: $$ 4x^2+ \color{blue}{24x} + \color{blue}{3x} +18 = 4x^2+ \color{blue}{27x} +18 $$ |