2(8.37)+3=X^2

Solution for 2(8.37)+3=X^2 equation:

Simplifying
2(8.37) + 3 = X2

Multiply 2 * 8.37
16.74 + 3 = X2

Combine like terms: 16.74 + 3 = 19.74
19.74 = X2

Solving
19.74 = X2

Solving for variable 'X'.

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

Add '-1X2' to each side of the equation.
19.74 + -1X2 = X2 + -1X2

Combine like terms: X2 + -1X2 = 0
19.74 + -1X2 = 0

Add '-19.74' to each side of the equation.
19.74 + -19.74 + -1X2 = 0 + -19.74

Combine like terms: 19.74 + -19.74 = 0.00
0.00 + -1X2 = 0 + -19.74
-1X2 = 0 + -19.74

Combine like terms: 0 + -19.74 = -19.74
-1X2 = -19.74

Divide each side by '-1'.
X2 = 19.74

Simplifying
X2 = 19.74

Take the square root of each side:
X = {-4.442971978, 4.442971978}