Question

x^2-64/x+8 @Luigi0210

Answer 1

Hint:

x^2 - 64 factors to (x-8)(x+8) by using the difference of squares rule

Answer 2

x-8 is the answer. So, what is the restriction. I've never been good with those.

Answer 3

Yea that's right. and do you want restrictions on the original or the simplified?

Answer 4

uh, I'm not sure, original?

Answer 5

It's either -8 or 8

Answer 6

you cannot divide by zero

Answer 7

so x+8 must not be zero which means x cannot be equal to what?

Answer 8

Oh then the bottom equal to zero and solve: x+8=0

Answer 9

x=-8

Answer 10

is the restriction

Answer 11

that's your restriction

Answer 12

yep

Answer 13

x – 8, with the restriction x ≠ –8 correct?

Answer 14

Yea, all real numbers except -8

Answer 15

thanks