Question

2x²- 8 solve by using identity.

plz give complete solution.

class 9​

Answer 1

Step-by-step explanation:

(√2x)² - (2√2)²

(√2x+ 2√2) ( √2x - 2√2)

Answer 2

Step-by-step explanation:

2x^2-8=0

2x^2=8

x^2=8/2

x^2=4

x=√4

x=2