4x^2-16=25

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Solution for 4x^2-16=25 equation:


Simplifying
4x2 + -16 = 25

Reorder the terms:
-16 + 4x2 = 25

Solving
-16 + 4x2 = 25

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 4x2 = 25 + 16

Combine like terms: -16 + 16 = 0
0 + 4x2 = 25 + 16
4x2 = 25 + 16

Combine like terms: 25 + 16 = 41
4x2 = 41

Divide each side by '4'.
x2 = 10.25

Simplifying
x2 = 10.25

Take the square root of each side:
x = {-3.201562119, 3.201562119}

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