3 years ago

-10 x 2 + 21x + 10 How do I factor this?

Mathematics

1 answer:

jarptica [38.1K]3 years ago

3 0

$-10x^2+21x+10=\\
-10x^2+25x-4x+10=\\
-5x(2x-5)-2(2x-5)=\\
-(5x+2)(2x-5)$

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