-9.81x^2+61=0

Solution for -9.81x^2+61=0 equation:

Simplifying
-9.81x2 + 61 = 0

Reorder the terms:
61 + -9.81x2 = 0

Solving
61 + -9.81x2 = 0

Solving for variable 'x'.

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

Add '-61' to each side of the equation.
61 + -61 + -9.81x2 = 0 + -61

Combine like terms: 61 + -61 = 0
0 + -9.81x2 = 0 + -61
-9.81x2 = 0 + -61

Combine like terms: 0 + -61 = -61
-9.81x2 = -61

Divide each side by '-9.81'.
x2 = 6.21814475

Simplifying
x2 = 6.21814475

Take the square root of each side:
x = {-2.493620811, 2.493620811}