x^2+4=7

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Solution for x^2+4=7 equation: 


Simplifying
x2 + 4 = 7

Reorder the terms:
4 + x2 = 7

Solving
4 + x2 = 7

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + x2 = 7 + -4

Combine like terms: 4 + -4 = 0
0 + x2 = 7 + -4
x2 = 7 + -4

Combine like terms: 7 + -4 = 3
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}

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