2x^2+7=79

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Solution for 2x^2+7=79 equation:


Simplifying
2x2 + 7 = 79

Reorder the terms:
7 + 2x2 = 79

Solving
7 + 2x2 = 79

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x2 = 79 + -7

Combine like terms: 7 + -7 = 0
0 + 2x2 = 79 + -7
2x2 = 79 + -7

Combine like terms: 79 + -7 = 72
2x2 = 72

Divide each side by '2'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

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