(5x+6)(5x-6)=

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Solution for (5x+6)(5x-6)= equation:


Simplifying
(5x + 6)(5x + -6) = 0

Reorder the terms:
(6 + 5x)(5x + -6) = 0

Reorder the terms:
(6 + 5x)(-6 + 5x) = 0

Multiply (6 + 5x) * (-6 + 5x)
(6(-6 + 5x) + 5x * (-6 + 5x)) = 0
((-6 * 6 + 5x * 6) + 5x * (-6 + 5x)) = 0
((-36 + 30x) + 5x * (-6 + 5x)) = 0
(-36 + 30x + (-6 * 5x + 5x * 5x)) = 0
(-36 + 30x + (-30x + 25x2)) = 0

Combine like terms: 30x + -30x = 0
(-36 + 0 + 25x2) = 0
(-36 + 25x2) = 0

Solving
-36 + 25x2 = 0

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 25x2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 25x2 = 0 + 36
25x2 = 0 + 36

Combine like terms: 0 + 36 = 36
25x2 = 36

Divide each side by '25'.
x2 = 1.44

Simplifying
x2 = 1.44

Take the square root of each side:
x = {-1.2, 1.2}

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