4-25x^2-9=0

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Solution for 4-25x^2-9=0 equation:


Simplifying
4 + -25x2 + -9 = 0

Reorder the terms:
4 + -9 + -25x2 = 0

Combine like terms: 4 + -9 = -5
-5 + -25x2 = 0

Solving
-5 + -25x2 = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -25x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -25x2 = 0 + 5
-25x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-25x2 = 5

Divide each side by '-25'.
x2 = -0.2

Simplifying
x2 = -0.2

Reorder the terms:
0.2 + x2 = -0.2 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.2 + x2 = 0.0

The solution to this equation could not be determined.

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