Question

pls solve pls solve this fast it's urgent​

Answer 1

{(x²)²+2(x²)(4y²)²+(4y²)²} - 9z⁴

=>(x²+4y²)² - (9z²)²

by using identity: a²-b² = (a-b)(a+b)

=>{x²+4y²-(-9z²)}{x²+4y²+(-9z²)}

=>(x²+4y²+9z²)(x²+4y²-9z²)

I hope it helps you.