7x^2-2=61

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Solution for 7x^2-2=61 equation: 


Simplifying
7x2 + -2 = 61

Reorder the terms:
-2 + 7x2 = 61

Solving
-2 + 7x2 = 61

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 7x2 = 61 + 2

Combine like terms: -2 + 2 = 0
0 + 7x2 = 61 + 2
7x2 = 61 + 2

Combine like terms: 61 + 2 = 63
7x2 = 63

Divide each side by '7'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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