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Simplifying
25x2 + 4 = 15
Reorder the terms:
4 + 25x2 = 15
Solving
4 + 25x2 = 15
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 25x2 = 15 + -4
Combine like terms: 4 + -4 = 0
0 + 25x2 = 15 + -4
25x2 = 15 + -4
Combine like terms: 15 + -4 = 11
25x2 = 11
Divide each side by '25'.
x2 = 0.44
Simplifying
x2 = 0.44
Take the square root of each side:
x = {-0.663324958, 0.663324958}
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