Question

Find the product of (a+3) (a+5) by using identity

Answer 1

Step-by-step explanation:

(a+3)(a+5)

we know,

(x+a)(x+b)=x^2+(a+b)x+ab

=a^2+(3+5)a+3*5

=a^2+8a+15

the above line is the answer

hope it helps!!!