8. What are the factors of m? - 27n?? a. (m-3n)(m +9n) c. (m - n)(m? + 3mn + 9n?) b.(m - 9n)(m? + 3n?) d. (m + n)(m²-3mn + 9n?) 9. Which is the complete factorization of 8m - 50n? a. (4m - 10n) (2m + 5nº) c. 2(2m - 5n)(2m +5n) b. (2m - 10n)(4m +5nº) d. 4(2m - 10nº) (2m + 5n) 10. What value of b makes 4m-b +25n" a perfect square trinomial? a. 10mn b. 10mn? C. 20mn d. 20mn? 11. If 2m - 3n is a binomial factor of a difference of two cubes, what is the trinomial factor? a. 4m2 - 6mn +9n2 c.4m2 + 6mn +25n? b. 4m2 - 12mn + 9n2 d. 4m2 + 12mn + 25n? 12. Which is the correct factors of c-c+c-1? a. (c-1)(c + 1) c. (c-1)(c-1) b. (c + 1)(c - 1) d. (c + 1)(c + 1) 13. Which is the correct factors of 20m -13mn - 15n?? a. (5m - 3n)(4m-5n) c. (5m + 3n)(4m - 5n) b. (5m + 3n/4m +5n) d. (5m - 3n)(4m + 5n) 14. The area of a square is (8a2 + 40ab +25b)cm. What is the measure of its side? a. (4a + 5b)cm c. (8a + 5b)cm pasagot po please