Factorise:
xsquare+13xcube+32x+20
Answers
Answered by
1
=x²+13x³+32x+20
=13x³+x²+32x+20
=13x³+x²+4x+28x+4+16
=(x²+4x+4)+(13x³+28x+16)
=(x+2)²+(13x³+28x+16)................... answer
=13x³+x²+32x+20
=13x³+x²+4x+28x+4+16
=(x²+4x+4)+(13x³+28x+16)
=(x+2)²+(13x³+28x+16)................... answer
Similar questions