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Simplifying
25 = 4x2 + -3
Reorder the terms:
25 = -3 + 4x2
Solving
25 = -3 + 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 = -3 + 4x2 + -4x2
Combine like terms: 4x2 + -4x2 = 0
25 + -4x2 = -3 + 0
25 + -4x2 = -3
Add '-25' to each side of the equation.
25 + -25 + -4x2 = -3 + -25
Combine like terms: 25 + -25 = 0
0 + -4x2 = -3 + -25
-4x2 = -3 + -25
Combine like terms: -3 + -25 = -28
-4x2 = -28
Divide each side by '-4'.
x2 = 7
Simplifying
x2 = 7
Take the square root of each side:
x = {-2.645751311, 2.645751311}
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