4x^2-(-9)=

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Solution for 4x^2-(-9)= equation:


Simplifying
4x2 + -1(-9) = 0

Multiply -1 * -9
4x2 + 9 = 0

Reorder the terms:
9 + 4x2 = 0

Solving
9 + 4x2 = 0

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 = 0 + -9

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

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

Divide each side by '4'.
x2 = -2.25

Simplifying
x2 = -2.25

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

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

The solution to this equation could not be determined.

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