-4a^2-5=0

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Solution for -4a^2-5=0 equation:


Simplifying
-4a2 + -5 = 0

Reorder the terms:
-5 + -4a2 = 0

Solving
-5 + -4a2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -4a2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -4a2 = 0 + 5
-4a2 = 0 + 5

Combine like terms: 0 + 5 = 5
-4a2 = 5

Divide each side by '-4'.
a2 = -1.25

Simplifying
a2 = -1.25

Reorder the terms:
1.25 + a2 = -1.25 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
1.25 + a2 = 0.00

The solution to this equation could not be determined.

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