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Simplifying
45a2 + -125 = 0
Reorder the terms:
-125 + 45a2 = 0
Solving
-125 + 45a2 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '125' to each side of the equation.
-125 + 125 + 45a2 = 0 + 125
Combine like terms: -125 + 125 = 0
0 + 45a2 = 0 + 125
45a2 = 0 + 125
Combine like terms: 0 + 125 = 125
45a2 = 125
Divide each side by '45'.
a2 = 2.777777778
Simplifying
a2 = 2.777777778
Take the square root of each side:
a = {-1.666666667, 1.666666667}
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