-4x^2=30-9x^2

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Solution for -4x^2=30-9x^2 equation: 


Simplifying
-4x2 = 30 + -9x2

Solving
-4x2 = 30 + -9x2

Solving for variable 'x'.

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

Add '9x2' to each side of the equation.
-4x2 + 9x2 = 30 + -9x2 + 9x2

Combine like terms: -4x2 + 9x2 = 5x2
5x2 = 30 + -9x2 + 9x2

Combine like terms: -9x2 + 9x2 = 0
5x2 = 30 + 0
5x2 = 30

Divide each side by '5'.
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}

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