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

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


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

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

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

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

Combine like terms: -2x + 7x = 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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