6x^2-7-90=0

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Solution for 6x^2-7-90=0 equation: 


Simplifying
6x2 + -7 + -90 = 0

Reorder the terms:
-7 + -90 + 6x2 = 0

Combine like terms: -7 + -90 = -97
-97 + 6x2 = 0

Solving
-97 + 6x2 = 0

Solving for variable 'x'.

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

Add '97' to each side of the equation.
-97 + 97 + 6x2 = 0 + 97

Combine like terms: -97 + 97 = 0
0 + 6x2 = 0 + 97
6x2 = 0 + 97

Combine like terms: 0 + 97 = 97
6x2 = 97

Divide each side by '6'.
x2 = 16.16666667

Simplifying
x2 = 16.16666667

Take the square root of each side:
x = {-4.020779361, 4.020779361}

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