Answer and explain properly.

20. Given x - ; and y = -x, what is the value of 21. If x + y = 12 and x = Zy, then x =_ 22. Sara spent $96 buying three large shirts and 2 small shirts. Joanna spent $74 buying two of each. At this price, how much would it cost to buy four large shirts? 23. Factor x - 5x + 4 24. Factor a? - 12a + 11 25. Factor b2 - 7b + 10 26. Factor c2 - 4c - 12 27. Factor x2 - 7x - 8 28. What are the solutions to x2 - 5x + 6? 12/13/2022 11:26 29. Factor 2a2 + 5a - 3 30. Factor: 2x2 - x -6 31. What are the solutions to 2x + 5x - 12? 32. x - 1 is a factor of which of the following? Lx + x -2 i1. 2x2 - 5x + ili. x3 + 3x +2 33. What are the solutions to x - 13x? 34. Solve x) - 7x = 0 35. Solve: 602 - 15a - 36 = 0 36. Solve: 5a2 + 40 -4 = 0 37. The expression (13 + 2)(13 -2) can be rewritten as 38. Simplify 234 41. Given: g(x) = =, which of the following is 40. Simplify true? 2r 9s 35 Ar2 a. g(10)