57=30-x^2

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Solution for 57=30-x^2 equation:


Simplifying
57 = 30 + -1x2

Solving
57 = 30 + -1x2

Solving for variable 'x'.

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

Add 'x2' to each side of the equation.
57 + x2 = 30 + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
57 + x2 = 30 + 0
57 + x2 = 30

Add '-57' to each side of the equation.
57 + -57 + x2 = 30 + -57

Combine like terms: 57 + -57 = 0
0 + x2 = 30 + -57
x2 = 30 + -57

Combine like terms: 30 + -57 = -27
x2 = -27

Simplifying
x2 = -27

Reorder the terms:
27 + x2 = -27 + 27

Combine like terms: -27 + 27 = 0
27 + x2 = 0

The solution to this equation could not be determined.

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