-4.9x^2+156.25=140.25

Solution for -4.9x^2+156.25=140.25 equation:

Simplifying
-4.9x2 + 156.25 = 140.25

Reorder the terms:
156.25 + -4.9x2 = 140.25

Solving
156.25 + -4.9x2 = 140.25

Solving for variable 'x'.

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

Add '-156.25' to each side of the equation.
156.25 + -156.25 + -4.9x2 = 140.25 + -156.25

Combine like terms: 156.25 + -156.25 = 0.00
0.00 + -4.9x2 = 140.25 + -156.25
-4.9x2 = 140.25 + -156.25

Combine like terms: 140.25 + -156.25 = -16
-4.9x2 = -16

Divide each side by '-4.9'.
x2 = 3.265306122

Simplifying
x2 = 3.265306122

Take the square root of each side:
x = {-1.807015806, 1.807015806}