(3x-10)(3x+10)=

Solution for (3x-10)(3x+10)= equation:

Simplifying
(3x + -10)(3x + 10) = 0

Reorder the terms:
(-10 + 3x)(3x + 10) = 0

Reorder the terms:
(-10 + 3x)(10 + 3x) = 0

Multiply (-10 + 3x) * (10 + 3x)
(-10(10 + 3x) + 3x * (10 + 3x)) = 0
((10 * -10 + 3x * -10) + 3x * (10 + 3x)) = 0
((-100 + -30x) + 3x * (10 + 3x)) = 0
(-100 + -30x + (10 * 3x + 3x * 3x)) = 0
(-100 + -30x + (30x + 9x2)) = 0

Combine like terms: -30x + 30x = 0
(-100 + 0 + 9x2) = 0
(-100 + 9x2) = 0

Solving
-100 + 9x2 = 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 + 9x2 = 0 + 100

Combine like terms: -100 + 100 = 0
0 + 9x2 = 0 + 100
9x2 = 0 + 100

Combine like terms: 0 + 100 = 100
9x2 = 100

Divide each side by '9'.
x2 = 11.11111111

Simplifying
x2 = 11.11111111

Take the square root of each side:
x = {-3.333333333, 3.333333333}