Math, asked by swathimmrec, 10 months ago

factorise using long division
x³+ 13x + 32x+20

Answers

Answered by brainlystar95

Answer:

Expert Answer: Let p(x) = x3 + 13x2 + 32x + 20. p(-1) = -1 + 13 - 32 + 20 = -33 + 33 = 0. Therefore (x + 1) is a factor of p(x). On dividing p(x) by (x + 1) we get. p(x) (x + 1) = x2 + 12x + 20. Thus, x3 + 13x2 + 32x + 20 = (x + 1)(x2 + 12x + 20) = (x + 1) (x2 + 10x + 2x + 20)

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