-4y^2-13=0

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Solution for -4y^2-13=0 equation:


Simplifying
-4y2 + -13 = 0

Reorder the terms:
-13 + -4y2 = 0

Solving
-13 + -4y2 = 0

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + -4y2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -4y2 = 0 + 13
-4y2 = 0 + 13

Combine like terms: 0 + 13 = 13
-4y2 = 13

Divide each side by '-4'.
y2 = -3.25

Simplifying
y2 = -3.25

Reorder the terms:
3.25 + y2 = -3.25 + 3.25

Combine like terms: -3.25 + 3.25 = 0.00
3.25 + y2 = 0.00

The solution to this equation could not be determined.

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