Question

Factor the expression given below. Write each facotr as a polynomial in descending order. 144x^2-36

Answer 1

The difference of two perfect squares...

Answer 2

Factoring a difference of squares... :P

Answer 3

(x-1)(x+1) , (2x-1)(2x+1) or...

Answer 4

or...

Answer 5

I have no idea... :P

Answer 6

Can you gimme a few-pointers?

Answer 7

Try taking a square root of each of the terms and see where that takes you...

Answer 8

Or facrotize it you'll know!

Like this
12(12x^2-6)

we know the sqrt of 144 is 12 and of 36 is 6.

Answer 9

There is one more way...
Factorize it with 36.
144x^2-36
36(4x^2-1)
36(2x-1) (2x+1)

Answer 10

(4x+1)(4x-1)

Answer 11

Is that right? xD

Answer 12

:O

Answer 13

(12x+6)(12x-6) is the correct answer. :)

/Closed