y=0.7(x-1)(x-8)

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Solution for y=0.7(x-1)(x-8) equation: 


Simplifying
y = 0.7(x + -1)(x + -8)

Reorder the terms:
y = 0.7(-1 + x)(x + -8)

Reorder the terms:
y = 0.7(-1 + x)(-8 + x)

Multiply (-1 + x) * (-8 + x)
y = 0.7(-1(-8 + x) + x(-8 + x))
y = 0.7((-8 * -1 + x * -1) + x(-8 + x))
y = 0.7((8 + -1x) + x(-8 + x))
y = 0.7(8 + -1x + (-8 * x + x * x))
y = 0.7(8 + -1x + (-8x + x2))

Combine like terms: -1x + -8x = -9x
y = 0.7(8 + -9x + x2)
y = (8 * 0.7 + -9x * 0.7 + x2 * 0.7)
y = (5.6 + -6.3x + 0.7x2)

Solving
y = 5.6 + -6.3x + 0.7x2

Solving for variable 'y'.

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

Simplifying
y = 5.6 + -6.3x + 0.7x2

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