4x^2-9=y

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Solution for 4x^2-9=y equation:


Simplifying
4x2 + -9 = y

Reorder the terms:
-9 + 4x2 = y

Solving
-9 + 4x2 = y

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 4x2 = 9 + y

Combine like terms: -9 + 9 = 0
0 + 4x2 = 9 + y
4x2 = 9 + y

Divide each side by '4'.
x2 = 2.25 + 0.25y

Simplifying
x2 = 2.25 + 0.25y

Reorder the terms:
-2.25 + x2 + -0.25y = 2.25 + 0.25y + -2.25 + -0.25y

Reorder the terms:
-2.25 + x2 + -0.25y = 2.25 + -2.25 + 0.25y + -0.25y

Combine like terms: 2.25 + -2.25 = 0.00
-2.25 + x2 + -0.25y = 0.00 + 0.25y + -0.25y
-2.25 + x2 + -0.25y = 0.25y + -0.25y

Combine like terms: 0.25y + -0.25y = 0.00
-2.25 + x2 + -0.25y = 0.00

The solution to this equation could not be determined.

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