# 13 which of the following is a solution of x2 + 2x = −2? Advanced Guide

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### Check whether the following is a quadratic equation: (𝒙 + 2)^𝟑 = 2𝒙(𝒙^𝟐 – 1)

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### What are the solutions to the equation #x^2+2x+2=0#? ^{[2]}

### Solve Quadratic equations x^2-2x-80=0 Tiger Algebra Solver ^{[3]}

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### Solve Quadratic equations x2-2x-11=4 Tiger Algebra Solver ^{[7]}

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### [Solved] Solutions of the equation x2 + √2x ^{[9]}

### The Quadratic Formula ^{[10]}

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### Solve x^2 + 2x -3 = 0 ^{[12]}

### Which of the following represents all solutions of the inequality x2[13]

### Sources

- https://www.cuemath.com/questions/which-of-the-following-is-a-solution-of-x2-2x-2/
- https://socratic.org/questions/what-are-the-solutions-to-the-equation-x-2-2x-2-0
- https://www.tiger-algebra.com/drill/x~2-2x-80=0/#:~:text=Two%20solutions%20were%20found%20%3A,x%20%3D%20%2D8
- https://www.cuemath.com/questions/solve-using-the-quadratic-formula-x2-2x-4-0/#:~:text=Summary%3A,x%20%3D%201%20%C2%B1%20%E2%88%9A5.
- https://www.cuemath.com/questions/what-is-the-positive-solution-to-the-equation-0-x2-2x-1-use-the-quadratic-formula/#:~:text=Summary%3A-,The%20positive%20solution%20to%20the%20equation%200%20%3D%20%2Dx2%20%2B,x%20%3D%201%20%2B%20%E2%88%9A2.
- https://www.cuemath.com/questions/one-of-the-solutions-to-x2-2x-15-0-is-x-3-what-is-the-other-solution/#:~:text=is%20x%20%3D%205.-,One%20of%20the%20solutions%20to%20×2%20%2D%202x%20%2D%2015%20%3D,other%20solution%20is%20x%20%3D%205.
- https://www.tiger-algebra.com/drill/x2-2x-11=4/
- https://quickmath.com/math-tutorials/quadratic-equations-it-s-applications-and-other-type-of.html
- https://testbook.com/question-answer/solutions-of-the-equation-x2-2x-4–609127e6b9ffd0d182cbf98e
- http://content.nroc.org/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U16_L5_T2_text_final.html
- http://dl.uncw.edu/digilib/Mathematics/Algebra/mat111hb/IZS/asolve/asolve.html
- https://homework.study.com/explanation/solve-x-2-2x-3-0.html
- https://askfilo.com/mathematics-question-answers/which-of-the-following-represents-all-solutions-of-the-inequality-x2