Question

Factorize:-
x^4 - y^4 + x^2 -y^2

ANSWER STEP BY STEP TO BE MARKED AS BRAINLIEST​

Answer 1

Answer:

Step-by-step explanation:

Given that,

x⁴ - y⁴ + x² - y²

= [ ( x² )² - ( y² )² ] + x² - y²

= [ ( x² - y² ) ( x² + y² ) ] + x² - y²

= (x² - y²) ( 1 + x² + y² ) is the answer.