X+x(50-x)=80

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Solution for X+x(50-x)=80 equation:


Simplifying
X + x(50 + -1x) = 80
X + (50 * x + -1x * x) = 80
X + (50x + -1x2) = 80

Solving
X + 50x + -1x2 = 80

Solving for variable 'X'.

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

Add '-50x' to each side of the equation.
X + 50x + -50x + -1x2 = 80 + -50x

Combine like terms: 50x + -50x = 0
X + 0 + -1x2 = 80 + -50x
X + -1x2 = 80 + -50x

Add 'x2' to each side of the equation.
X + -1x2 + x2 = 80 + -50x + x2

Combine like terms: -1x2 + x2 = 0
X + 0 = 80 + -50x + x2
X = 80 + -50x + x2

Simplifying
X = 80 + -50x + x2

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