Question

1. What is the simplified form

im writing it now

Answer 1

lol..i'm writing it now =))) write away

Answer 2

ambiguous
is it 4√(256(x+5)⁴)
or 4√(256)(x+5)⁴
I'll assume the latter
4√(256)(x+5)⁴
4*16*(x+5)⁴
64*(x+5)⁴
if it's the other one
4√(256(x+5)⁴)
4(16)(x+5)²
64(x+5)²

Answer 3

ahhh see that

x^4 - 81 = (x^2)^2 - (9)^2

do you have any idea how to do it now? :DDD