Math, asked by vijisuresh2479, 1 year ago

Factorise
-2r^2-2r+84

Answers

Answered by Ishwarya12

10

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-2r^2-2r+84

=-2r^2-14r+12r+84

=-2r(r+7)+12(r+7)

=(r+7)(-2r+12)

Hpe it hlps u

Pls mark me as brainliest

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