Question

find the product by using identity
1.Solve this​

Answer 1

Answer:

4x^2 + (5+3) 4x + 5 x 3 {Identity 4 } (x + a) (x +b) Ans

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

>> 4x^2 + 8 x 4x + 15

16x^2 + 32x + 15 Ans.

hope it helps please mark me

Answer 2

Answer:

The answer is 16x square +20x-24

Explanation

4x(4x+8) - 3(4x+8)

16x square+32x-12x-24

16x square +20x-24