Y=(2k+1)(k-4)

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Solution for Y=(2k+1)(k-4) equation: 


Simplifying
Y = (2k + 1)(k + -4)

Reorder the terms:
Y = (1 + 2k)(k + -4)

Reorder the terms:
Y = (1 + 2k)(-4 + k)

Multiply (1 + 2k) * (-4 + k)
Y = (1(-4 + k) + 2k * (-4 + k))
Y = ((-4 * 1 + k * 1) + 2k * (-4 + k))
Y = ((-4 + 1k) + 2k * (-4 + k))
Y = (-4 + 1k + (-4 * 2k + k * 2k))
Y = (-4 + 1k + (-8k + 2k2))

Combine like terms: 1k + -8k = -7k
Y = (-4 + -7k + 2k2)

Solving
Y = -4 + -7k + 2k2

Solving for variable 'Y'.

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

Simplifying
Y = -4 + -7k + 2k2

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