z^2+30z+225=

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Solution for z^2+30z+225= equation:


Simplifying
z2 + 30z + 225 = 0

Reorder the terms:
225 + 30z + z2 = 0

Solving
225 + 30z + z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(15 + z)(15 + z) = 0

Subproblem 1

Set the factor '(15 + z)' equal to zero and attempt to solve: Simplifying 15 + z = 0 Solving 15 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + z = 0 + -15 Combine like terms: 15 + -15 = 0 0 + z = 0 + -15 z = 0 + -15 Combine like terms: 0 + -15 = -15 z = -15 Simplifying z = -15

Subproblem 2

Set the factor '(15 + z)' equal to zero and attempt to solve: Simplifying 15 + z = 0 Solving 15 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + z = 0 + -15 Combine like terms: 15 + -15 = 0 0 + z = 0 + -15 z = 0 + -15 Combine like terms: 0 + -15 = -15 z = -15 Simplifying z = -15

Solution

z = {-15, -15}

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