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21 March, 06:27

Divide 2x2 + 7x - 3 by 2x + 5. Which expression represents the quotient and remainder?

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  1. 21 March, 06:56
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    (2x²+7x-3) / (2x+5) = (2x²+5x+2x-3) / (2x+5)

    =x (2x+5) / (2x+5) + (2x+5-5-3) / (2x+5)

    = (x+1) / (2x+5) - 8 / (2x+5)

    ==> 2x²+7x-3 = (x+1) (2x+5) - 8

    Quotient=x+1 remainder=-8
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