2z^2+18z=44

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Solution for 2z^2+18z=44 equation:


Simplifying
2z2 + 18z = 44

Reorder the terms:
18z + 2z2 = 44

Solving
18z + 2z2 = 44

Solving for variable 'z'.

Reorder the terms:
-44 + 18z + 2z2 = 44 + -44

Combine like terms: 44 + -44 = 0
-44 + 18z + 2z2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-22 + 9z + z2) = 0

Factor a trinomial.
2((-11 + -1z)(2 + -1z)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-11 + -1z)' equal to zero and attempt to solve: Simplifying -11 + -1z = 0 Solving -11 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1z = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1z = 0 + 11 -1z = 0 + 11 Combine like terms: 0 + 11 = 11 -1z = 11 Divide each side by '-1'. z = -11 Simplifying z = -11

Subproblem 2

Set the factor '(2 + -1z)' equal to zero and attempt to solve: Simplifying 2 + -1z = 0 Solving 2 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1z = 0 + -2 -1z = 0 + -2 Combine like terms: 0 + -2 = -2 -1z = -2 Divide each side by '-1'. z = 2 Simplifying z = 2

Solution

z = {-11, 2}

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