y=-.6666(x-1)(x+2)

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Solution for y=-.6666(x-1)(x+2) equation: 


Simplifying
y = -0.6666(x + -1)(x + 2)

Reorder the terms:
y = -0.6666(-1 + x)(x + 2)

Reorder the terms:
y = -0.6666(-1 + x)(2 + x)

Multiply (-1 + x) * (2 + x)
y = -0.6666(-1(2 + x) + x(2 + x))
y = -0.6666((2 * -1 + x * -1) + x(2 + x))
y = -0.6666((-2 + -1x) + x(2 + x))
y = -0.6666(-2 + -1x + (2 * x + x * x))
y = -0.6666(-2 + -1x + (2x + x2))

Combine like terms: -1x + 2x = 1x
y = -0.6666(-2 + 1x + x2)
y = (-2 * -0.6666 + 1x * -0.6666 + x2 * -0.6666)
y = (1.3332 + -0.6666x + -0.6666x2)

Solving
y = 1.3332 + -0.6666x + -0.6666x2

Solving for variable 'y'.

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

Simplifying
y = 1.3332 + -0.6666x + -0.6666x2

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