4x^2+y=21

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Solution for 4x^2+y=21 equation:


Simplifying
4x2 + y = 21

Solving
4x2 + y = 21

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
4x2 + y + -1y = 21 + -1y

Combine like terms: y + -1y = 0
4x2 + 0 = 21 + -1y
4x2 = 21 + -1y

Divide each side by '4'.
x2 = 5.25 + -0.25y

Simplifying
x2 = 5.25 + -0.25y

Reorder the terms:
-5.25 + x2 + 0.25y = 5.25 + -0.25y + -5.25 + 0.25y

Reorder the terms:
-5.25 + x2 + 0.25y = 5.25 + -5.25 + -0.25y + 0.25y

Combine like terms: 5.25 + -5.25 = 0.00
-5.25 + x2 + 0.25y = 0.00 + -0.25y + 0.25y
-5.25 + x2 + 0.25y = -0.25y + 0.25y

Combine like terms: -0.25y + 0.25y = 0.00
-5.25 + x2 + 0.25y = 0.00

The solution to this equation could not be determined.

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