X^2-4x-9=y

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


Simplifying
X2 + -4x + -9 = y

Reorder the terms:
-9 + X2 + -4x = y

Solving
-9 + X2 + -4x = 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 + X2 + 9 + -4x = 9 + y

Reorder the terms:
-9 + 9 + X2 + -4x = 9 + y

Combine like terms: -9 + 9 = 0
0 + X2 + -4x = 9 + y
X2 + -4x = 9 + y

Add '4x' to each side of the equation.
X2 + -4x + 4x = 9 + 4x + y

Combine like terms: -4x + 4x = 0
X2 + 0 = 9 + 4x + y
X2 = 9 + 4x + y

Simplifying
X2 = 9 + 4x + y

Reorder the terms:
-9 + X2 + -4x + -1y = 9 + 4x + y + -9 + -4x + -1y

Reorder the terms:
-9 + X2 + -4x + -1y = 9 + -9 + 4x + -4x + y + -1y

Combine like terms: 9 + -9 = 0
-9 + X2 + -4x + -1y = 0 + 4x + -4x + y + -1y
-9 + X2 + -4x + -1y = 4x + -4x + y + -1y

Combine like terms: 4x + -4x = 0
-9 + X2 + -4x + -1y = 0 + y + -1y
-9 + X2 + -4x + -1y = y + -1y

Combine like terms: y + -1y = 0
-9 + X2 + -4x + -1y = 0

The solution to this equation could not be determined.

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