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

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


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

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

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

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

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

Solving
y = -12 + -1x + x2

Solving for variable 'y'.

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

Simplifying
y = -12 + -1x + x2

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