y=1.4(x-5)(x-9)

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Solution for y=1.4(x-5)(x-9) equation: 


Simplifying
y = 1.4(x + -5)(x + -9)

Reorder the terms:
y = 1.4(-5 + x)(x + -9)

Reorder the terms:
y = 1.4(-5 + x)(-9 + x)

Multiply (-5 + x) * (-9 + x)
y = 1.4(-5(-9 + x) + x(-9 + x))
y = 1.4((-9 * -5 + x * -5) + x(-9 + x))
y = 1.4((45 + -5x) + x(-9 + x))
y = 1.4(45 + -5x + (-9 * x + x * x))
y = 1.4(45 + -5x + (-9x + x2))

Combine like terms: -5x + -9x = -14x
y = 1.4(45 + -14x + x2)
y = (45 * 1.4 + -14x * 1.4 + x2 * 1.4)
y = (63 + -19.6x + 1.4x2)

Solving
y = 63 + -19.6x + 1.4x2

Solving for variable 'y'.

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

Simplifying
y = 63 + -19.6x + 1.4x2

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