1.

Factorize xcube+13xsquare+32x+20

Answer»

Xcube+13xsquare+32x+20
xcube+XSQUARE+12xsquare+12X+20x+20
(xcube+xsquare)+(12xsquare+12x)+(20x+20)
xsquare(X+1)+12x(x+1)+20(x+1)
(x+1)(xsquare+12x+20)
(x+1)(xsquare+10x+2x+20)
(x+1)[x(x+10)+2(x+10)]
(x+1)(x+2)(x+10)



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