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Simplifying
25a2 + -40 = -16
Reorder the terms:
-40 + 25a2 = -16
Solving
-40 + 25a2 = -16
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '40' to each side of the equation.
-40 + 40 + 25a2 = -16 + 40
Combine like terms: -40 + 40 = 0
0 + 25a2 = -16 + 40
25a2 = -16 + 40
Combine like terms: -16 + 40 = 24
25a2 = 24
Divide each side by '25'.
a2 = 0.96
Simplifying
a2 = 0.96
Take the square root of each side:
a = {-0.979795897, 0.979795897}
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