Question

Explan using identies
Question (3x+5)(3x-5)

Answer 1

Step-by-step explanation:

(3x+5) (3x-5)

3x(3x-5) 5(3x-5)

9X²-15x+15x-25

9X²-25 ans

Answer 2

(3x+5)(3x-5)

since,(a+b)(a-b)=(a²-b²)

here,a=3x ,b=5

(3x+5)(3x-5)=(3x²-5x²)