Question
Factor polynomial $$ 4x^{3}+3x^{2}-44x-33 $$
Answer
$$ 4x^{3}+3x^{2}-44x-33 = ( x^{2}-11 )( 4x+3 ) $$
Explanation
To factor $ 4x^{3}+3x^{2}-44x-33 $ we can use factoring by grouping:
Group $ \color{blue}{ 4x^{3} }$ with $ \color{blue}{ 3x^{2} }$ and $ \color{red}{ -44x }$ with $ \color{red}{ -33 }$ then factor each group.
$$ \begin{aligned} 4x^{3}+3x^{2}-44x-33 = ( \color{blue}{ 4x^{3}+3x^{2} } ) + ( \color{red}{ -44x-33 }) &= \\ &= \color{blue}{ x^{2}( 4x+3 )} + \color{red}{ -11( 4x+3 ) } = \\ &= (x^{2}-11)(4x+3) \end{aligned} $$This page was created using
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