(-2x)(-2x)-(-7x)(-7x)=

Solution for (-2x)(-2x)-(-7x)(-7x)= equation:

Simplifying
(-2x)(-2x) + -1(-7x)(-7x) = 0

Remove parenthesis around (-2x)
-2x(-2x) + -1(-7x)(-7x) = 0

Remove parenthesis around (-2x)
-2x * -2x + -1(-7x)(-7x) = 0

Reorder the terms for easier multiplication:
-2 * -2x * x + -1(-7x)(-7x) = 0

Multiply -2 * -2
4x * x + -1(-7x)(-7x) = 0

Multiply x * x
4x2 + -1(-7x)(-7x) = 0

Remove parenthesis around (-7x)
4x2 + -1 * -7x(-7x) = 0

Remove parenthesis around (-7x)
4x2 + -1 * -7x * -7x = 0

Reorder the terms for easier multiplication:
4x2 + -1 * -7 * -7x * x = 0

Multiply -1 * -7
4x2 + 7 * -7x * x = 0

Multiply 7 * -7
4x2 + -49x * x = 0

Multiply x * x
4x2 + -49x2 = 0

Combine like terms: 4x2 + -49x2 = -45x2
-45x2 = 0

Solving
-45x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-45'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}