Question

using identities find the product (2x +7) (2 x -9)​

Answer 1

Answer:

x=-3.5,x=4.5

Step-by-step explanation:

Identity means equal to zero

(2x +7) (2 x -9)=0

if 2x+7=0

then x=7/2

where x=-3.5

likewise 2x-9=0

then x=9/2

where x=4.5