P=-.05(x-15)(x-10)

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Solution for P=-.05(x-15)(x-10) equation: 


Simplifying
P = -0.05(x + -15)(x + -10)

Reorder the terms:
P = -0.05(-15 + x)(x + -10)

Reorder the terms:
P = -0.05(-15 + x)(-10 + x)

Multiply (-15 + x) * (-10 + x)
P = -0.05(-15(-10 + x) + x(-10 + x))
P = -0.05((-10 * -15 + x * -15) + x(-10 + x))
P = -0.05((150 + -15x) + x(-10 + x))
P = -0.05(150 + -15x + (-10 * x + x * x))
P = -0.05(150 + -15x + (-10x + x2))

Combine like terms: -15x + -10x = -25x
P = -0.05(150 + -25x + x2)
P = (150 * -0.05 + -25x * -0.05 + x2 * -0.05)
P = (-7.5 + 1.25x + -0.05x2)

Solving
P = -7.5 + 1.25x + -0.05x2

Solving for variable 'P'.

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

Simplifying
P = -7.5 + 1.25x + -0.05x2

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