(10-x)(10+x)=

Solution for (10-x)(10+x)= equation:

Simplifying
(10 + -1x)(10 + x) = 0

Multiply (10 + -1x) * (10 + x)
(10(10 + x) + -1x * (10 + x)) = 0
((10 * 10 + x * 10) + -1x * (10 + x)) = 0
((100 + 10x) + -1x * (10 + x)) = 0
(100 + 10x + (10 * -1x + x * -1x)) = 0
(100 + 10x + (-10x + -1x2)) = 0

Combine like terms: 10x + -10x = 0
(100 + 0 + -1x2) = 0
(100 + -1x2) = 0

Solving
100 + -1x2 = 0

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + -1x2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -1x2 = 0 + -100
-1x2 = 0 + -100

Combine like terms: 0 + -100 = -100
-1x2 = -100

Divide each side by '-1'.
x2 = 100

Simplifying
x2 = 100

Take the square root of each side:
x = {-10, 10}