Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?

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23-05-2016
Mathematics

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Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?

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Neuron Neuron · Answer 1 · 2016-05-24T19:23:41+02:00

Neuron Neuron

24-05-2016

If you would like to solve the equation x^2 + 12 * x = -11, you can calculate this using the following steps:

x^2 + 12 * x = -11
x^2 + 12 * x + 11 = 0
(x + 1) * (x + 11) = 0
1. x = - 1
2. x = - 11

The correct result would be x = - 1, or x = - 11.

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