(4+z)(4z-1)=0

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Solution for (4+z)(4z-1)=0 equation:


Simplifying
(4 + z)(4z + -1) = 0

Reorder the terms:
(4 + z)(-1 + 4z) = 0

Multiply (4 + z) * (-1 + 4z)
(4(-1 + 4z) + z(-1 + 4z)) = 0
((-1 * 4 + 4z * 4) + z(-1 + 4z)) = 0
((-4 + 16z) + z(-1 + 4z)) = 0
(-4 + 16z + (-1 * z + 4z * z)) = 0
(-4 + 16z + (-1z + 4z2)) = 0

Combine like terms: 16z + -1z = 15z
(-4 + 15z + 4z2) = 0

Solving
-4 + 15z + 4z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(-4 + -1z)(1 + -4z) = 0

Subproblem 1

Set the factor '(-4 + -1z)' equal to zero and attempt to solve: Simplifying -4 + -1z = 0 Solving -4 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1z = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1z = 0 + 4 -1z = 0 + 4 Combine like terms: 0 + 4 = 4 -1z = 4 Divide each side by '-1'. z = -4 Simplifying z = -4

Subproblem 2

Set the factor '(1 + -4z)' equal to zero and attempt to solve: Simplifying 1 + -4z = 0 Solving 1 + -4z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -4z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4z = 0 + -1 -4z = 0 + -1 Combine like terms: 0 + -1 = -1 -4z = -1 Divide each side by '-4'. z = 0.25 Simplifying z = 0.25

Solution

z = {-4, 0.25}

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