z=(5+7x)(4x+1)

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Solution for z=(5+7x)(4x+1) equation:


Simplifying
z = (5 + 7x)(4x + 1)

Reorder the terms:
z = (5 + 7x)(1 + 4x)

Multiply (5 + 7x) * (1 + 4x)
z = (5(1 + 4x) + 7x * (1 + 4x))
z = ((1 * 5 + 4x * 5) + 7x * (1 + 4x))
z = ((5 + 20x) + 7x * (1 + 4x))
z = (5 + 20x + (1 * 7x + 4x * 7x))
z = (5 + 20x + (7x + 28x2))

Combine like terms: 20x + 7x = 27x
z = (5 + 27x + 28x2)

Solving
z = 5 + 27x + 28x2

Solving for variable 'z'.

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

Simplifying
z = 5 + 27x + 28x2

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