Y=9-(x-5)(x-5)

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Solution for Y=9-(x-5)(x-5) equation: 


Simplifying
Y = 9 + -1(x + -5)(x + -5)

Reorder the terms:
Y = 9 + -1(-5 + x)(x + -5)

Reorder the terms:
Y = 9 + -1(-5 + x)(-5 + x)

Multiply (-5 + x) * (-5 + x)
Y = 9 + -1(-5(-5 + x) + x(-5 + x))
Y = 9 + -1((-5 * -5 + x * -5) + x(-5 + x))
Y = 9 + -1((25 + -5x) + x(-5 + x))
Y = 9 + -1(25 + -5x + (-5 * x + x * x))
Y = 9 + -1(25 + -5x + (-5x + x2))

Combine like terms: -5x + -5x = -10x
Y = 9 + -1(25 + -10x + x2)
Y = 9 + (25 * -1 + -10x * -1 + x2 * -1)
Y = 9 + (-25 + 10x + -1x2)

Combine like terms: 9 + -25 = -16
Y = -16 + 10x + -1x2

Solving
Y = -16 + 10x + -1x2

Solving for variable 'Y'.

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

Simplifying
Y = -16 + 10x + -1x2

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