Question

Divide 22x+8x^3-6x^2-15 by 1+4x by long division method

Answer 1

quotient = 2x² - 2x + 6 and remainder = -21

we have to divide 22x + 8x³ - 6x² - 15 by 1 + 4x using long division method

1 + 4x)22x + 8x³ - 6x² - 15 ( 2x² - 2x + 6

8x³ + 2x²

...........................................

-8x² + 22x

-8x² - 2x

............................

+ 24x - 15

24x + 6

......................................

-21

hence, quotient = 2x² - 2x + 6 and remainder = -21

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