Question

factor 4x2+81-36x?

Answer 1

(2x - 9)^2

Answer 2

but how did you get to that answer? and what is the symbol before the 2?

Answer 3

The symbol before the 2 is a caret (^); it indicates that what follows is an exponent.

Answer 4

x^2 means x squared.

Answer 5

wow....im just completely lost here

Answer 6

they haven't even gotten to that symbol in the text book yet

Answer 7

Your problems is: 4x^2 - 36x + 81.
(2x - 9) (2x - 9) = 4x^2 - 36x + 81
(2x - 9) (2x - 9) = (2x - 9)^2

Answer 8

They won't cover this in the textbook. We used here because we can't easily type an exponent.

Answer 9

ok.....i understand now lol