25a^2-40=-16

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Solution for 25a^2-40=-16 equation:


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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