Question

Find the product using suitable identity (x+6) (x+7

Answer 1

identity used=

$(x + a)(x + b) = {x}^{2} + (a + b)x + ab$

here,

a=6

b=7

(x+6) (x+7)

=x^2 + (6+7)x + 6×7

=x^2 + 14x + 42

Required answer=

x^2 + 14x + 42