x^2+7=42

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Solution for x^2+7=42 equation: 


Simplifying
x2 + 7 = 42

Reorder the terms:
7 + x2 = 42

Solving
7 + x2 = 42

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 + x2 = 42 + -7

Combine like terms: 7 + -7 = 0
0 + x2 = 42 + -7
x2 = 42 + -7

Combine like terms: 42 + -7 = 35
x2 = 35

Simplifying
x2 = 35

Take the square root of each side:
x = {-5.916079783, 5.916079783}

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