y=(x+4)(1-4x)

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Solution for y=(x+4)(1-4x) equation:


Simplifying
y = (x + 4)(1 + -4x)

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

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

Combine like terms: -16x + 1x = -15x
y = (4 + -15x + -4x2)

Solving
y = 4 + -15x + -4x2

Solving for variable 'y'.

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

Simplifying
y = 4 + -15x + -4x2

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