-.5x(2x-4)-.2(10x^2+20y)+.66(-9y+6)=

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Solution for -.5x(2x-4)-.2(10x^2+20y)+.66(-9y+6)= equation: 


Simplifying
-0.5x(2x + -4) + -0.2(10x2 + 20y) + 0.66(-9y + 6) = 0

Reorder the terms:
-0.5x(-4 + 2x) + -0.2(10x2 + 20y) + 0.66(-9y + 6) = 0
(-4 * -0.5x + 2x * -0.5x) + -0.2(10x2 + 20y) + 0.66(-9y + 6) = 0
(2x + -1x2) + -0.2(10x2 + 20y) + 0.66(-9y + 6) = 0
2x + -1x2 + (10x2 * -0.2 + 20y * -0.2) + 0.66(-9y + 6) = 0
2x + -1x2 + (-2x2 + -4y) + 0.66(-9y + 6) = 0

Reorder the terms:
2x + -1x2 + -2x2 + -4y + 0.66(6 + -9y) = 0
2x + -1x2 + -2x2 + -4y + (6 * 0.66 + -9y * 0.66) = 0
2x + -1x2 + -2x2 + -4y + (3.96 + -5.94y) = 0

Reorder the terms:
3.96 + 2x + -1x2 + -2x2 + -4y + -5.94y = 0

Combine like terms: -1x2 + -2x2 = -3x2
3.96 + 2x + -3x2 + -4y + -5.94y = 0

Combine like terms: -4y + -5.94y = -9.94y
3.96 + 2x + -3x2 + -9.94y = 0

Solving
3.96 + 2x + -3x2 + -9.94y = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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