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Simplifying
25x2 + -25 + 5 = 0
Reorder the terms:
-25 + 5 + 25x2 = 0
Combine like terms: -25 + 5 = -20
-20 + 25x2 = 0
Solving
-20 + 25x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '20' to each side of the equation.
-20 + 20 + 25x2 = 0 + 20
Combine like terms: -20 + 20 = 0
0 + 25x2 = 0 + 20
25x2 = 0 + 20
Combine like terms: 0 + 20 = 20
25x2 = 20
Divide each side by '25'.
x2 = 0.8
Simplifying
x2 = 0.8
Take the square root of each side:
x = {-0.894427191, 0.894427191}
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