Question

factorise -2x^2-2x+84

Answer 1

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Answer 2

Hey !!!! Your answer =>

$que = - {2x}^{2} - 2x + 84 \\ \\ = - {2x}^{2} - 14x + 12x + 84 \\ \\ = - 2x(x + 7) + 12(x + 7) \\ \\ = ( - 2x + 12)(x + 7) \: are \: the \: factors.$

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