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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