Y=4(x+6)(x-9)

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Solution for Y=4(x+6)(x-9) equation: 


Simplifying
Y = 4(x + 6)(x + -9)

Reorder the terms:
Y = 4(6 + x)(x + -9)

Reorder the terms:
Y = 4(6 + x)(-9 + x)

Multiply (6 + x) * (-9 + x)
Y = 4(6(-9 + x) + x(-9 + x))
Y = 4((-9 * 6 + x * 6) + x(-9 + x))
Y = 4((-54 + 6x) + x(-9 + x))
Y = 4(-54 + 6x + (-9 * x + x * x))
Y = 4(-54 + 6x + (-9x + x2))

Combine like terms: 6x + -9x = -3x
Y = 4(-54 + -3x + x2)
Y = (-54 * 4 + -3x * 4 + x2 * 4)
Y = (-216 + -12x + 4x2)

Solving
Y = -216 + -12x + 4x2

Solving for variable 'Y'.

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

Simplifying
Y = -216 + -12x + 4x2

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