5z-2(z)(z)+13=6

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Solution for 5z-2(z)(z)+13=6 equation:


Simplifying
5z + -2(z)(z) + 13 = 6

Multiply z * z
5z + -2z2 + 13 = 6

Reorder the terms:
13 + 5z + -2z2 = 6

Solving
13 + 5z + -2z2 = 6

Solving for variable 'z'.

Reorder the terms:
13 + -6 + 5z + -2z2 = 6 + -6

Combine like terms: 13 + -6 = 7
7 + 5z + -2z2 = 6 + -6

Combine like terms: 6 + -6 = 0
7 + 5z + -2z2 = 0

Factor a trinomial.
(7 + -2z)(1 + z) = 0

Subproblem 1

Set the factor '(7 + -2z)' equal to zero and attempt to solve: Simplifying 7 + -2z = 0 Solving 7 + -2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2z = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2z = 0 + -7 -2z = 0 + -7 Combine like terms: 0 + -7 = -7 -2z = -7 Divide each side by '-2'. z = 3.5 Simplifying z = 3.5

Subproblem 2

Set the factor '(1 + z)' equal to zero and attempt to solve: Simplifying 1 + z = 0 Solving 1 + z = 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 + z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + z = 0 + -1 z = 0 + -1 Combine like terms: 0 + -1 = -1 z = -1 Simplifying z = -1

Solution

z = {3.5, -1}

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