x^2+3=7

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Solution for x^2+3=7 equation: 


Simplifying
x2 + 3 = 7

Reorder the terms:
3 + x2 = 7

Solving
3 + x2 = 7

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + x2 = 7 + -3

Combine like terms: 3 + -3 = 0
0 + x2 = 7 + -3
x2 = 7 + -3

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

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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