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Simplifying
2x2 + -7 = 14
Reorder the terms:
-7 + 2x2 = 14
Solving
-7 + 2x2 = 14
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 = 14 + 7
Combine like terms: -7 + 7 = 0
0 + 2x2 = 14 + 7
2x2 = 14 + 7
Combine like terms: 14 + 7 = 21
2x2 = 21
Divide each side by '2'.
x2 = 10.5
Simplifying
x2 = 10.5
Take the square root of each side:
x = {-3.240370349, 3.240370349}
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