121+9x^2+4=7

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Solution for 121+9x^2+4=7 equation:


Simplifying
121 + 9x2 + 4 = 7

Reorder the terms:
121 + 4 + 9x2 = 7

Combine like terms: 121 + 4 = 125
125 + 9x2 = 7

Solving
125 + 9x2 = 7

Solving for variable 'x'.

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

Add '-125' to each side of the equation.
125 + -125 + 9x2 = 7 + -125

Combine like terms: 125 + -125 = 0
0 + 9x2 = 7 + -125
9x2 = 7 + -125

Combine like terms: 7 + -125 = -118
9x2 = -118

Divide each side by '9'.
x2 = -13.11111111

Simplifying
x2 = -13.11111111

Reorder the terms:
13.11111111 + x2 = -13.11111111 + 13.11111111

Combine like terms: -13.11111111 + 13.11111111 = 0.00000000
13.11111111 + x2 = 0.00000000

The solution to this equation could not be determined.

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