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

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


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

Reorder the terms:
y = x(-2 + x)(x + 5)

Reorder the terms:
y = x(-2 + x)(5 + x)

Multiply (-2 + x) * (5 + x)
y = x(-2(5 + x) + x(5 + x))
y = x((5 * -2 + x * -2) + x(5 + x))
y = x((-10 + -2x) + x(5 + x))
y = x(-10 + -2x + (5 * x + x * x))
y = x(-10 + -2x + (5x + x2))

Combine like terms: -2x + 5x = 3x
y = x(-10 + 3x + x2)
y = (-10 * x + 3x * x + x2 * x)
y = (-10x + 3x2 + x3)

Solving
y = -10x + 3x2 + x3

Solving for variable 'y'.

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

Simplifying
y = -10x + 3x2 + x3

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