# Quadratic Equations and Expressions Question

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## Grade 9 Quadratic Equations and Expressions CCSS: HSA-REI.A.1

- [math]2 1/2x-4=x^2[/math]
- [math]x^2=4x-5/2[/math]
- [math]x^2-4=2 1/2x[/math]
- [math]x^2=2 1/2x+4[/math]