4x^2 = 2 * 2 * x * x
(4x - 7y)(4x + 7y)
(2x-1)(2x-1) = 4x^2 -4x + 1
2x
8x2 + 6x - 9 = 8x2 + 12x - 6x - 9 = 4x(2x + 3) - 3(2x + 3) = (2x + 3)(4x - 3)
4X^2 - 8X factor out 4X 4X(X - 2)
3x2 + 4x factors to x(3x + 4)
33
4x^2
4x^4 or 4x*4x*4x*4x A formula would be (x^a)(x^b)= x^a+b x^a) / (x^b)= x^a-b
2
-1
(4x - 7y)(4x + 7y)
The GCF is 4x.
It is 1/(4x)2
8x squared
It is: 4x squared
2