# Polynomials and Rational Expressions Question

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## Grade 9 Polynomials and Rational Expressions CCSS: HSA-APR.A.1

[math](-3z^2 + 9z -4) - (4z^2 -5 + z)[/math]

- [math]-7z^2 + 8z +1[/math]
- [math]-z^2 + 8z - 9[/math]
- [math]z^2 + 10z -9[/math]
- [math]7z^2 +4z -3[/math]