2x^2+7=c^2+18

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Solution for 2x^2+7=c^2+18 equation:


Simplifying
2x2 + 7 = c2 + 18

Reorder the terms:
7 + 2x2 = c2 + 18

Reorder the terms:
7 + 2x2 = 18 + c2

Solving
7 + 2x2 = 18 + c2

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 = 18 + -7 + c2

Combine like terms: 7 + -7 = 0
0 + 2x2 = 18 + -7 + c2
2x2 = 18 + -7 + c2

Combine like terms: 18 + -7 = 11
2x2 = 11 + c2

Divide each side by '2'.
x2 = 5.5 + 0.5c2

Simplifying
x2 = 5.5 + 0.5c2

Reorder the terms:
-5.5 + -0.5c2 + x2 = 5.5 + 0.5c2 + -5.5 + -0.5c2

Reorder the terms:
-5.5 + -0.5c2 + x2 = 5.5 + -5.5 + 0.5c2 + -0.5c2

Combine like terms: 5.5 + -5.5 = 0.0
-5.5 + -0.5c2 + x2 = 0.0 + 0.5c2 + -0.5c2
-5.5 + -0.5c2 + x2 = 0.5c2 + -0.5c2

Combine like terms: 0.5c2 + -0.5c2 = 0.0
-5.5 + -0.5c2 + x2 = 0.0

The solution to this equation could not be determined.

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