-25=-4x^2

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


Simplifying
-25 = -4x2

Solving
-25 = -4x2

Solving for variable 'x'.

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

Add '4x2' to each side of the equation.
-25 + 4x2 = -4x2 + 4x2

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

Add '25' to each side of the equation.
-25 + 25 + 4x2 = 0 + 25

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

Combine like terms: 0 + 25 = 25
4x2 = 25

Divide each side by '4'.
x2 = 6.25

Simplifying
x2 = 6.25

Take the square root of each side:
x = {-2.5, 2.5}

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