20=-4.9x^2

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Solution for 20=-4.9x^2 equation:


Simplifying
20 = -4.9x2

Solving
20 = -4.9x2

Solving for variable 'x'.

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

Add '4.9x2' to each side of the equation.
20 + 4.9x2 = -4.9x2 + 4.9x2

Combine like terms: -4.9x2 + 4.9x2 = 0.0
20 + 4.9x2 = 0.0

Add '-20' to each side of the equation.
20 + -20 + 4.9x2 = 0.0 + -20

Combine like terms: 20 + -20 = 0
0 + 4.9x2 = 0.0 + -20
4.9x2 = 0.0 + -20

Combine like terms: 0.0 + -20 = -20
4.9x2 = -20

Divide each side by '4.9'.
x2 = -4.081632653

Simplifying
x2 = -4.081632653

Reorder the terms:
4.081632653 + x2 = -4.081632653 + 4.081632653

Combine like terms: -4.081632653 + 4.081632653 = 0.000000000
4.081632653 + x2 = 0.000000000

The solution to this equation could not be determined.

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