Add the polynomials (4x2 - 9x + 4) + (7x3 - 9x

Taimur Aziz asked Mar 6, 2023

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Taimur Aziz asked Mar 6, 2023

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13 votes

we remove the parenthesis and add the number that have the same exponent

$\begin{gathered} 4x^2-9x+4+7x^3-9x \\ 7x^3+4x^2+(-9x-9x)+4 \\ 7x^3+4x^2-18x+4 \end{gathered}$

SamWhan answered Mar 10, 2023

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