# Polynomials and Rational Expressions Question

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[math]2x + 3x^2 - 5x +4 - 7x^2[/math]

- [math]7x^2 +4[/math]
- [math]7x +10x^2 +4[/math]
- [math]-4x^2 -3x +4[/math]
- [math]-3x^6[/math]