Question

factorise x power 3 + 13 x power 2 + 32 x + 20​

Answer 1

$eq {}^{n} = > x {}^{3} + 13x {}^{2} + 32x + 20$

$= > x(x {}^{2} + 13x + 32) + 20$

$= > (x {}^{2} + 13x + 32)(x + 20)$

BY FACTORING WE GET ,

X = -54 ,28 ,-20

HOPE IT'S HELPFUL.....:-)