Question

divide 2x(4x²+20x+25) by -(2x+5)

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Answer 1

Answer:

First multiply 2x(4x²+20x+25) = 8x³+40x²+50x.

Multiply -(2x+5) = -2x -5.

Dividend = 8x³+40x²+50x.

Divisor = -2x-5.

A/q

-2x-5)8x³+40x²+50x(-4x²-10x

+8x³+20x²

(-) (-)

----------------------

0 +20x²+50x

+20x²+50x

(-) (-)

-------------------

0 0

Remainder = zero (0).

Quotient = -4x²-10x.