Question

(a - x)^2(a+x)^2 = (a^2 - x^2)^2
How?

Answer 1

Step-by-step explanation:

${(x - y)}^{2} . {(x + y)}^{2} \\ = ((x + y)(x - y)) {}^{2} \\ = ( {x}^{2} - {y}^{2} ) {}^{2}$