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

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


Simplifying
y = (x + 7)(x + -2)

Reorder the terms:
y = (7 + x)(x + -2)

Reorder the terms:
y = (7 + x)(-2 + x)

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

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

Solving
y = -14 + 5x + x2

Solving for variable 'y'.

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

Simplifying
y = -14 + 5x + x2

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