2x squared minus 4
If you mean: (2x-7y)(x+y) then it is 2x squared -5xy -7y squared
2x(2x - 1)
No.
No.
2x squared can best be describe as some variable being double and then squared.
2x -2 squared = 0
2x to the fourth
The GCF is 2x.
2x squared minus 4
-x2+2x
When you subtract 7x^2 from 5x^2, you get -2x^2.
The answer depends on whether or not the 8 is part of the squared: (8x) squared times 2x = 128x38 x2 times 2x = 16x3
2
2x2 + 2x = 2x(x+1)
3x squared - x squared = 2x squared
15