Question

What is the expression in factored form?
5x2 – 80y2

Answer 1

\[
a^2 - b^2 = (a-b)(a+b)
\]

Answer 2

what do you do after that

Answer 3

What did you get?

Answer 4

80y2 is 80y²?

Answer 5

yes it is, and i got -6375=-6375, so the answer is (5+80)(5-80)?

Answer 6

@wio

Answer 7

Umm, first of all, where is your x and y?

Answer 8

Actually, first of all, what are you choosing for a and b?

Answer 9

5 and -80

Answer 10

factor out 5 first

Answer 11

okay, thank you so much, that was alot simpler than I thought.

Answer 12

yw