y=[(x-4)(x-4)]-[(x-12)(x-12)]

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Solution for y=[(x-4)(x-4)]-[(x-12)(x-12)] equation: 


Simplifying
y = [(x + -4)(x + -4)] + -1[(x + -12)(x + -12)]

Reorder the terms:
y = [(-4 + x)(x + -4)] + -1[(x + -12)(x + -12)]

Reorder the terms:
y = [(-4 + x)(-4 + x)] + -1[(x + -12)(x + -12)]

Multiply (-4 + x) * (-4 + x)
y = [(-4(-4 + x) + x(-4 + x))] + -1[(x + -12)(x + -12)]
y = [((-4 * -4 + x * -4) + x(-4 + x))] + -1[(x + -12)(x + -12)]
y = [((16 + -4x) + x(-4 + x))] + -1[(x + -12)(x + -12)]
y = [(16 + -4x + (-4 * x + x * x))] + -1[(x + -12)(x + -12)]
y = [(16 + -4x + (-4x + x2))] + -1[(x + -12)(x + -12)]

Combine like terms: -4x + -4x = -8x
y = [(16 + -8x + x2)] + -1[(x + -12)(x + -12)]
y = [16 + -8x + x2] + -1[(x + -12)(x + -12)]

Remove brackets around [16 + -8x + x2]
y = 16 + -8x + x2 + -1[(x + -12)(x + -12)]

Reorder the terms:
y = 16 + -8x + x2 + -1[(-12 + x)(x + -12)]

Reorder the terms:
y = 16 + -8x + x2 + -1[(-12 + x)(-12 + x)]

Multiply (-12 + x) * (-12 + x)
y = 16 + -8x + x2 + -1[(-12(-12 + x) + x(-12 + x))]
y = 16 + -8x + x2 + -1[((-12 * -12 + x * -12) + x(-12 + x))]
y = 16 + -8x + x2 + -1[((144 + -12x) + x(-12 + x))]
y = 16 + -8x + x2 + -1[(144 + -12x + (-12 * x + x * x))]
y = 16 + -8x + x2 + -1[(144 + -12x + (-12x + x2))]

Combine like terms: -12x + -12x = -24x
y = 16 + -8x + x2 + -1[(144 + -24x + x2)]
y = 16 + -8x + x2 + [144 * -1 + -24x * -1 + x2 * -1]
y = 16 + -8x + x2 + [-144 + 24x + -1x2]

Reorder the terms:
y = 16 + -144 + -8x + 24x + x2 + -1x2

Combine like terms: 16 + -144 = -128
y = -128 + -8x + 24x + x2 + -1x2

Combine like terms: -8x + 24x = 16x
y = -128 + 16x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
y = -128 + 16x + 0
y = -128 + 16x

Solving
y = -128 + 16x

Solving for variable 'y'.

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

Simplifying
y = -128 + 16x

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