X^2-7=3

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Solution for X^2-7=3 equation: 


Simplifying
X2 + -7 = 3

Reorder the terms:
-7 + X2 = 3

Solving
-7 + X2 = 3

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 = 3 + 7

Combine like terms: -7 + 7 = 0
0 + X2 = 3 + 7
X2 = 3 + 7

Combine like terms: 3 + 7 = 10
X2 = 10

Simplifying
X2 = 10

Take the square root of each side:
X = {-3.16227766, 3.16227766}

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