(10h+2)(10h-2)=0

Solution for (10h+2)(10h-2)=0 equation:

Simplifying
(10h + 2)(10h + -2) = 0

Reorder the terms:
(2 + 10h)(10h + -2) = 0

Reorder the terms:
(2 + 10h)(-2 + 10h) = 0

Multiply (2 + 10h) * (-2 + 10h)
(2(-2 + 10h) + 10h * (-2 + 10h)) = 0
((-2 * 2 + 10h * 2) + 10h * (-2 + 10h)) = 0
((-4 + 20h) + 10h * (-2 + 10h)) = 0
(-4 + 20h + (-2 * 10h + 10h * 10h)) = 0
(-4 + 20h + (-20h + 100h2)) = 0

Combine like terms: 20h + -20h = 0
(-4 + 0 + 100h2) = 0
(-4 + 100h2) = 0

Solving
-4 + 100h2 = 0

Solving for variable 'h'.

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

Add '4' to each side of the equation.
-4 + 4 + 100h2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 100h2 = 0 + 4
100h2 = 0 + 4

Combine like terms: 0 + 4 = 4
100h2 = 4

Divide each side by '100'.
h2 = 0.04

Simplifying
h2 = 0.04

Take the square root of each side:
h = {-0.2, 0.2}