b. 19x2+x b. 21x2+7x c. 11x2+7x @ 19x2-x II. Matching Type (For numbers 21-25) Directions: Match column A with column B. Write your answer on the space provided before each number. А 21. (6x2)(-8x2) 22. (-30xy)(-2x2y2) 23. (-6xy)(-3x²y) 24.4(-2x-5y) 25. (3x)(2x+5y) B a. 60x3y3 b. 6x2 + 15xy c. -48x4 d. 48x4 e. -8x-20y f. 18x3y2