y=1.2(x-4)(x+3)

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Solution for y=1.2(x-4)(x+3) equation: 


Simplifying
y = 1.2(x + -4)(x + 3)

Reorder the terms:
y = 1.2(-4 + x)(x + 3)

Reorder the terms:
y = 1.2(-4 + x)(3 + x)

Multiply (-4 + x) * (3 + x)
y = 1.2(-4(3 + x) + x(3 + x))
y = 1.2((3 * -4 + x * -4) + x(3 + x))
y = 1.2((-12 + -4x) + x(3 + x))
y = 1.2(-12 + -4x + (3 * x + x * x))
y = 1.2(-12 + -4x + (3x + x2))

Combine like terms: -4x + 3x = -1x
y = 1.2(-12 + -1x + x2)
y = (-12 * 1.2 + -1x * 1.2 + x2 * 1.2)
y = (-14.4 + -1.2x + 1.2x2)

Solving
y = -14.4 + -1.2x + 1.2x2

Solving for variable 'y'.

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

Simplifying
y = -14.4 + -1.2x + 1.2x2

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