x^2+3*.5=100

Solution for x^2+3*.5=100 equation:

Simplifying
x2 + 3 * 0.5 = 100

Multiply 3 * 0.5
x2 + 1.5 = 100

Reorder the terms:
1.5 + x2 = 100

Solving
1.5 + x2 = 100

Solving for variable 'x'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + x2 = 100 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x2 = 100 + -1.5
x2 = 100 + -1.5

Combine like terms: 100 + -1.5 = 98.5
x2 = 98.5

Simplifying
x2 = 98.5

Take the square root of each side:
x = {-9.924716621, 9.924716621}