a=(20-2x)(8-2x)

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Solution for a=(20-2x)(8-2x) equation:


Simplifying
a = (20 + -2x)(8 + -2x)

Multiply (20 + -2x) * (8 + -2x)
a = (20(8 + -2x) + -2x * (8 + -2x))
a = ((8 * 20 + -2x * 20) + -2x * (8 + -2x))
a = ((160 + -40x) + -2x * (8 + -2x))
a = (160 + -40x + (8 * -2x + -2x * -2x))
a = (160 + -40x + (-16x + 4x2))

Combine like terms: -40x + -16x = -56x
a = (160 + -56x + 4x2)

Solving
a = 160 + -56x + 4x2

Solving for variable 'a'.

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

Simplifying
a = 160 + -56x + 4x2

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