Question

factorise x^3+13x^2+32x+20​

Answer 1

Step-by-step explanation:

MATHS

Factorize x3+13x2+32x+20

A

(x−1)(x+2)(x+5)

B

(x+1)(x+2)(x−5)

C

(x−2)(x+3)(x+10)

D

(x+1)(x+2)(x+10)

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ANSWER

The value of x3+13x2+32x+20 is

x3+x2+12x2+12x+20x+20

=x2(x+1)+12x(x+1)+20(x+1)

=(x−1)(x2+12x+20)

=(x−1)(x2+10x+2x+20)

=(x+1)[x(x+10)+2(x+10)]

=(x+1)(x+2)(x+10)

Answer 2

Answer:

$(x + 1)(x + 2)(x + 10)$

Step-by-step explanation:

It is the correct answer.