7x^2+81=64

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Solution for 7x^2+81=64 equation:


Simplifying
7x2 + 81 = 64

Reorder the terms:
81 + 7x2 = 64

Solving
81 + 7x2 = 64

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + 7x2 = 64 + -81

Combine like terms: 81 + -81 = 0
0 + 7x2 = 64 + -81
7x2 = 64 + -81

Combine like terms: 64 + -81 = -17
7x2 = -17

Divide each side by '7'.
x2 = -2.428571429

Simplifying
x2 = -2.428571429

Reorder the terms:
2.428571429 + x2 = -2.428571429 + 2.428571429

Combine like terms: -2.428571429 + 2.428571429 = 0.000000000
2.428571429 + x2 = 0.000000000

The solution to this equation could not be determined.

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