25x^3+0x^2-10x-11 divided by 5x-5

I am working on the above problem, but continually come up with the wrong solution.

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25x³+0x²+11x-6 divided by 5x-3
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1 Answer

          5x2 +5x  +3           (quotient)

5x-5)25x3  +0x2-10x-11

        25x3-25x2  (subtract) (5x goes into 25x3 5x2 times, so multiply divisor by 5x2)

                 25x2-10x

                 25x2-25x  (subtract) (5x goes into 25x2 5x times, so multiply divisor by 5x)

                          15x-11

                          15x-15  (subtract) (5x goes into 15x 3 times, so multiply divisor by 3)

                                   4 (remainder)

ANSWER: 5x2+5x+3 remainder 4.

by Top Rated User (1.2m points)

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