(10+w)(10-w)=

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

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

Multiply (10 + w) * (10 + -1w)
(10(10 + -1w) + w(10 + -1w)) = 0
((10 * 10 + -1w * 10) + w(10 + -1w)) = 0
((100 + -10w) + w(10 + -1w)) = 0
(100 + -10w + (10 * w + -1w * w)) = 0
(100 + -10w + (10w + -1w2)) = 0

Combine like terms: -10w + 10w = 0
(100 + 0 + -1w2) = 0
(100 + -1w2) = 0

Solving
100 + -1w2 = 0

Solving for variable 'w'.

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

Add '-100' to each side of the equation.
100 + -100 + -1w2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -1w2 = 0 + -100
-1w2 = 0 + -100

Combine like terms: 0 + -100 = -100
-1w2 = -100

Divide each side by '-1'.
w2 = 100

Simplifying
w2 = 100

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