factorise x^3+13x^2+32x+20
Answers
Answered by
69
Given Equation is x^3 + 13x^2 + 32x + 20
= (x + 1)(x^2 + 12x + 20)
= (x + 1)(x^2 + 2x + 10x + 20)
= (x + 1)(x(x + 2) + 10(x + 2))
= (x + 1)(x + 2)(x + 10).
Hope this helps!
= (x + 1)(x^2 + 12x + 20)
= (x + 1)(x^2 + 2x + 10x + 20)
= (x + 1)(x(x + 2) + 10(x + 2))
= (x + 1)(x + 2)(x + 10).
Hope this helps!
Answered by
34
x^3+13x^2+32x+20
by hit and trial one root is -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) ans.
pls mark it as brainliest
by hit and trial one root is -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) ans.
pls mark it as brainliest
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