Question

(x+4) (x+10) Use suitable identity

Answer 1

(X)²+(4+10)(X)+ (4)(10)
=x²+14x+40

Answer 2

(x+4) (x+10)
using (x+a) (x+b) = x^2 + (a+ b ) X + (ab)
= x^2 + (4+10) X + (4×10)
= x^2 + 14x + 40