Question
Assume that no denominator equals 0.
(2x-3)^2
= 2x * 2x -3 * -3
= 4x-9(answer)
(2x-3)^2
= 2x * 2x -3 * -3
= 4x-9(answer)
Answers
Reiny
no
(2x-3)^2 means (2x-3)(2x-3) which is
4x^2 - 6x - 6x + 9
= 4x^2 - 12x + 9
(2x-3)^2 means (2x-3)(2x-3) which is
4x^2 - 6x - 6x + 9
= 4x^2 - 12x + 9
Jon
wouldn't it be 4x^2 + 12x + 9?
Reiny
why?
-6 -6 = -12
(you borrow $6 from your mom, and then borrow $6 more, how much do you owe her?)
-6 -6 = -12
(you borrow $6 from your mom, and then borrow $6 more, how much do you owe her?)
Jon
ok I was thinking about multiplication