Question

1. solveusing suitable identities (x+9)(x+3)
2 . (x-14)(x+14)​

Answer 1

Answer:

1)(x+9)(x+3)=x^2+(3+9)x+27

(x+9)(x+3)=x^2+12x+27

2)(x-14)(x+14)=x^2+(14-14)x-196

(x-14)(x+14)=x^2-196

Answer 2

Answer to 2

Step-by-step explanation:Multiply  (x-14)  by  (x+14)  

The rule says:  (a+b)(a-b)=a²-b²

x²+14x-14x-196

=x²-196