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Simplifying
4x2 + -1 = 25
Reorder the terms:
-1 + 4x2 = 25
Solving
-1 + 4x2 = 25
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '1' to each side of the equation.
-1 + 1 + 4x2 = 25 + 1
Combine like terms: -1 + 1 = 0
0 + 4x2 = 25 + 1
4x2 = 25 + 1
Combine like terms: 25 + 1 = 26
4x2 = 26
Divide each side by '4'.
x2 = 6.5
Simplifying
x2 = 6.5
Take the square root of each side:
x = {-2.549509757, 2.549509757}
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