Question

complete the following (x+3) (x+4) =___+___+___by using identity (x+a) x+b)=x^2+(a+b)x+ab​

Answer 1

Answer:

x^2 + (4+3)x + 12

Step-by-step explanation:

(x+3) (x+4)

=x^2 + (4+3)x +4*3

=x^2 + (4+3)x + 12