GCF
What is 5x2?
Multiply: (x-2)(x+2)
x2 - 4
Multiply: (2x - 3) (2x + 3)
4x2 - 9
An expression involving the sum of powers in one or more variables multiplied by coefficients.
Multiply: (3k+4)(3k-4)
9k2 - 16
Multiply: 2(x + 3)(x - 5)
2x2 -4x -30