Question

Factor completely 144x2 – 120x + 25

Answer 1

It's a trinomial square. Do you know what that is?

Answer 2

no.

Answer 3

(12x - 5)^2

Answer 4

a^2 - 2ab +b^2 = (a-b)^2
try to use this

Answer 5

It is a trinomial that can be factored as a binomial squared.

Answer 6

oh yeah you are right :D

Answer 7

For example: x^2 + 6x + 9 = (x+3)^2

Answer 8

You can get a clue that it might be a trinomial square when you see that the first term which is 144x^2 is a perfect square and the last term which is 25 is a perfect square.

Answer 9

Yes. You factored it correctly. Good for you!!

Answer 10

144 and 25 are squares