Question

MULTIPLY 2X + 7 AND 2X - 12 USING SUITABLE IDENTITY?​

Answer 1

Step-by-step explanation:

(2x+7)(2x-12)

using identity (x+a)(x-b)=x^2+(a+b)x+ab

x=2x

a=7

b=-12

(2x)^2+(7-12)2x+7×(-12)

4x^2-10x-84