7=.0002x^2-.316+127.9

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Solution for 7=.0002x^2-.316+127.9 equation: 


Simplifying
7 = 0.0002x2 + -0.316 + 127.9

Reorder the terms:
7 = -0.316 + 127.9 + 0.0002x2

Combine like terms: -0.316 + 127.9 = 127.584
7 = 127.584 + 0.0002x2

Solving
7 = 127.584 + 0.0002x2

Solving for variable 'x'.

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

Add '-0.0002x2' to each side of the equation.
7 + -0.0002x2 = 127.584 + 0.0002x2 + -0.0002x2

Combine like terms: 0.0002x2 + -0.0002x2 = 0.0000
7 + -0.0002x2 = 127.584 + 0.0000
7 + -0.0002x2 = 127.584

Add '-7' to each side of the equation.
7 + -7 + -0.0002x2 = 127.584 + -7

Combine like terms: 7 + -7 = 0
0 + -0.0002x2 = 127.584 + -7
-0.0002x2 = 127.584 + -7

Combine like terms: 127.584 + -7 = 120.584
-0.0002x2 = 120.584

Divide each side by '-0.0002'.
x2 = -602920

Simplifying
x2 = -602920

Reorder the terms:
602920 + x2 = -602920 + 602920

Combine like terms: -602920 + 602920 = 0
602920 + x2 = 0

The solution to this equation could not be determined.

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