y=2(x+5)(x-3)

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Solution for y=2(x+5)(x-3) equation: 


Simplifying
y = 2(x + 5)(x + -3)

Reorder the terms:
y = 2(5 + x)(x + -3)

Reorder the terms:
y = 2(5 + x)(-3 + x)

Multiply (5 + x) * (-3 + x)
y = 2(5(-3 + x) + x(-3 + x))
y = 2((-3 * 5 + x * 5) + x(-3 + x))
y = 2((-15 + 5x) + x(-3 + x))
y = 2(-15 + 5x + (-3 * x + x * x))
y = 2(-15 + 5x + (-3x + x2))

Combine like terms: 5x + -3x = 2x
y = 2(-15 + 2x + x2)
y = (-15 * 2 + 2x * 2 + x2 * 2)
y = (-30 + 4x + 2x2)

Solving
y = -30 + 4x + 2x2

Solving for variable 'y'.

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

Simplifying
y = -30 + 4x + 2x2

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