5x-2y(-2-y)=18

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Solution for 5x-2y(-2-y)=18 equation:


Simplifying
5x + -2y(-2 + -1y) = 18
5x + (-2 * -2y + -1y * -2y) = 18
5x + (4y + 2y2) = 18

Solving
5x + 4y + 2y2 = 18

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
5x + 4y + -4y + 2y2 = 18 + -4y

Combine like terms: 4y + -4y = 0
5x + 0 + 2y2 = 18 + -4y
5x + 2y2 = 18 + -4y

Add '-2y2' to each side of the equation.
5x + 2y2 + -2y2 = 18 + -4y + -2y2

Combine like terms: 2y2 + -2y2 = 0
5x + 0 = 18 + -4y + -2y2
5x = 18 + -4y + -2y2

Divide each side by '5'.
x = 3.6 + -0.8y + -0.4y2

Simplifying
x = 3.6 + -0.8y + -0.4y2

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