Question

Resolve the factors of "2a^2+ 6a-80"
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Answer 1

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Answer 2

Answer:

$2( {a}^{2} + 3a - 40)$

$= 2( {a}^{2} + 8a - 5a - 40)$

=2 {a (a+8)-5 (a+8)}

=2 (a+8) (a-5)