40=(0.5)(60)x^2

Solution for 40=(0.5)(60)x^2 equation:

Simplifying
40 = (0.5)(60) * x2

Multiply 0.5 * 60
40 = 30x2

Solving
40 = 30x2

Solving for variable 'x'.

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

Add '-30x2' to each side of the equation.
40 + -30x2 = 30x2 + -30x2

Combine like terms: 30x2 + -30x2 = 0
40 + -30x2 = 0

Add '-40' to each side of the equation.
40 + -40 + -30x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -30x2 = 0 + -40
-30x2 = 0 + -40

Combine like terms: 0 + -40 = -40
-30x2 = -40

Divide each side by '-30'.
x2 = 1.333333333

Simplifying
x2 = 1.333333333

Take the square root of each side:
x = {-1.154700538, 1.154700538}