(84-2x)(70+5x)=y

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Solution for (84-2x)(70+5x)=y equation: 


Simplifying
(84 + -2x)(70 + 5x) = y

Multiply (84 + -2x) * (70 + 5x)
(84(70 + 5x) + -2x * (70 + 5x)) = y
((70 * 84 + 5x * 84) + -2x * (70 + 5x)) = y
((5880 + 420x) + -2x * (70 + 5x)) = y
(5880 + 420x + (70 * -2x + 5x * -2x)) = y
(5880 + 420x + (-140x + -10x2)) = y

Combine like terms: 420x + -140x = 280x
(5880 + 280x + -10x2) = y

Solving
5880 + 280x + -10x2 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
5880 + 280x + -10x2 + -1y = 0

The solution to this equation could not be determined.

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