-64
8x(x+9)
8x to the second power times 3x to the second power (8x)2 + (3x)2 = 64x2 + 9x2 = 73x2 is one possibility, except the problem called for multiplication which would make the answer 64x squared times 9x squared = 576x to the fourth power It could also be read this way: 8x squared times 3x squared equals 24x to the fourth power. I wish my computer would do those cool little twos.
2x times 4x is 8x squared- then that times x is 8x to the power of three.Mathmatically represented as 8x^3
4
2
8x squared
4x
2
It is: 25+64 = 89
The GCF is 2x.
(8x - 3)(8x + 3)
3x2 - 8x = x(3x - 8)