y=x(x+5)(x-3)

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Solution for y=x(x+5)(x-3) equation: 


Simplifying
y = x(x + 5)(x + -3)

Reorder the terms:
y = x(5 + x)(x + -3)

Reorder the terms:
y = x(5 + x)(-3 + x)

Multiply (5 + x) * (-3 + x)
y = x(5(-3 + x) + x(-3 + x))
y = x((-3 * 5 + x * 5) + x(-3 + x))
y = x((-15 + 5x) + x(-3 + x))
y = x(-15 + 5x + (-3 * x + x * x))
y = x(-15 + 5x + (-3x + x2))

Combine like terms: 5x + -3x = 2x
y = x(-15 + 2x + x2)
y = (-15 * x + 2x * x + x2 * x)
y = (-15x + 2x2 + x3)

Solving
y = -15x + 2x2 + x3

Solving for variable 'y'.

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

Simplifying
y = -15x + 2x2 + x3

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