Y=(70-x)(50+x)

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Solution for Y=(70-x)(50+x) equation: 


Simplifying
Y = (70 + -1x)(50 + x)

Multiply (70 + -1x) * (50 + x)
Y = (70(50 + x) + -1x * (50 + x))
Y = ((50 * 70 + x * 70) + -1x * (50 + x))
Y = ((3500 + 70x) + -1x * (50 + x))
Y = (3500 + 70x + (50 * -1x + x * -1x))
Y = (3500 + 70x + (-50x + -1x2))

Combine like terms: 70x + -50x = 20x
Y = (3500 + 20x + -1x2)

Solving
Y = 3500 + 20x + -1x2

Solving for variable 'Y'.

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

Simplifying
Y = 3500 + 20x + -1x2

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