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M
how do i factor polynomials? help
1. 6x2 - 13x + 5
2. 11x^2 - 78x + 7
3. x^2 + 4xy + 4y^2
4. 4a^2 + 12ab + 9b^2
5. 4c^2 - 9
6. 25x^2 - 4y^2
7. 9a^2 - 49b^2