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Distribute
( - 5a + 2a {}^2 - 2)(2a - 4)distribute

User Ethan Wu
by
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1 Answer

4 votes

The given expression is


(-5a+2a^2\text{ - 2)(2a - 4)}

To distribute, we would multiply the terms in each bracket individually and add or subtract where necessary. It becomes


\begin{gathered} -\text{ 5a}*2a\text{ + (-5a}*-4)+(2a^2*2a)+(2a^2*-4)+(-2*2a)+(-2*-4) \\ -10a^2+20a+4a^3-8a^2-4a+8 \\ 4a^3-10a^2-8a^2+20a-4a+8 \\ 4a^3-18a^2+16a\text{ + 8} \end{gathered}

User Djlauk
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