6x^2-9=15

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Solution for 6x^2-9=15 equation:


Simplifying
6x2 + -9 = 15

Reorder the terms:
-9 + 6x2 = 15

Solving
-9 + 6x2 = 15

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 6x2 = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 6x2 = 15 + 9
6x2 = 15 + 9

Combine like terms: 15 + 9 = 24
6x2 = 24

Divide each side by '6'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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