Question

factorise x^2+13x+40​

Answer 1

Answer:

x²+13x+40

=x²+8x+5x+40

=X(x+8)+5(X+8)

=(X+8)(X+5)

Answer 2

Answer:

x²+13x+40=0

x²+8x+5x+40=0

x(x+8)+5(x+8)=0

(x+5)(x+8)=0

x= -5,-8

hope this will help u......