X=(2+x)(7-x)

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Solution for X=(2+x)(7-x) equation: 


Simplifying
X = (2 + x)(7 + -1x)

Multiply (2 + x) * (7 + -1x)
X = (2(7 + -1x) + x(7 + -1x))
X = ((7 * 2 + -1x * 2) + x(7 + -1x))
X = ((14 + -2x) + x(7 + -1x))
X = (14 + -2x + (7 * x + -1x * x))
X = (14 + -2x + (7x + -1x2))

Combine like terms: -2x + 7x = 5x
X = (14 + 5x + -1x2)

Solving
X = 14 + 5x + -1x2

Solving for variable 'X'.

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

Simplifying
X = 14 + 5x + -1x2

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