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Simplifying
25x2 + 8 = 72
Reorder the terms:
8 + 25x2 = 72
Solving
8 + 25x2 = 72
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 25x2 = 72 + -8
Combine like terms: 8 + -8 = 0
0 + 25x2 = 72 + -8
25x2 = 72 + -8
Combine like terms: 72 + -8 = 64
25x2 = 64
Divide each side by '25'.
x2 = 2.56
Simplifying
x2 = 2.56
Take the square root of each side:
x = {-1.6, 1.6}
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