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Simplifying
0 = 4x2 + -9x2 + 2
Reorder the terms:
0 = 2 + 4x2 + -9x2
Combine like terms: 4x2 + -9x2 = -5x2
0 = 2 + -5x2
Solving
0 = 2 + -5x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5x2' to each side of the equation.
0 + 5x2 = 2 + -5x2 + 5x2
Remove the zero:
5x2 = 2 + -5x2 + 5x2
Combine like terms: -5x2 + 5x2 = 0
5x2 = 2 + 0
5x2 = 2
Divide each side by '5'.
x2 = 0.4
Simplifying
x2 = 0.4
Take the square root of each side:
x = {-0.632455532, 0.632455532}
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