Question

factorise x³+ 13²+32+20
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Answer 1

Answer:

hope this helps

Step-by-step explanation:

The value of x  

3

+13x  

2

+32x+20 is

x  

3

+x  

2

+12x  

2

+12x+20x+20

=x  

2

(x+1)+12x(x+1)+20(x+1)

=(x−1)(x  

2

+12x+20)

=(x−1)(x  

2

+10x+2x+20)

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

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