Half of 2x squared is x squared. To find half of a term, you divide the coefficient by 2 and keep the variable and exponent the same. In this case, half of 2 is 1, so the expression simplifies to x squared.
2x -2 squared = 0
The GCF is 2x.
2x squared minus 4
-x2+2x
When you subtract 7x^2 from 5x^2, you get -2x^2.
2
2x2 + 2x = 2x(x+1)
15
7x2 -4x -5x2 +2x = 2x2 -2x
2x squared - 5x - 3 = (2x +1)(x -3)
If you mean: (2x-7y)(x+y) then it is 2x squared -5xy -7y squared
2x(2x - 1)