7-4x^2=18

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Solution for 7-4x^2=18 equation:


Simplifying
7 + -4x2 = 18

Solving
7 + -4x2 = 18

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -4x2 = 18 + -7

Combine like terms: 7 + -7 = 0
0 + -4x2 = 18 + -7
-4x2 = 18 + -7

Combine like terms: 18 + -7 = 11
-4x2 = 11

Divide each side by '-4'.
x2 = -2.75

Simplifying
x2 = -2.75

Reorder the terms:
2.75 + x2 = -2.75 + 2.75

Combine like terms: -2.75 + 2.75 = 0.00
2.75 + x2 = 0.00

The solution to this equation could not be determined.

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