z^2+40=14z

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Solution for z^2+40=14z equation:


Simplifying
z2 + 40 = 14z

Reorder the terms:
40 + z2 = 14z

Solving
40 + z2 = 14z

Solving for variable 'z'.

Reorder the terms:
40 + -14z + z2 = 14z + -14z

Combine like terms: 14z + -14z = 0
40 + -14z + z2 = 0

Factor a trinomial.
(4 + -1z)(10 + -1z) = 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 '(10 + -1z)' equal to zero and attempt to solve: Simplifying 10 + -1z = 0 Solving 10 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1z = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1z = 0 + -10 -1z = 0 + -10 Combine like terms: 0 + -10 = -10 -1z = -10 Divide each side by '-1'. z = 10 Simplifying z = 10

Solution

z = {4, 10}

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