(x)(x)+3=19

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Solution for (x)(x)+3=19 equation: 


Simplifying
(x)(x) + 3 = 19

Multiply x * x
x2 + 3 = 19

Reorder the terms:
3 + x2 = 19

Solving
3 + x2 = 19

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 = 19 + -3

Combine like terms: 3 + -3 = 0
0 + x2 = 19 + -3
x2 = 19 + -3

Combine like terms: 19 + -3 = 16
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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