Friasandrea746id Friasandrea746id Math Answered b. 2(x+y) - 10 c. -2(x+y)10d. 10x2(x+y)B 4. If x=2, what is the value of x2 - x +47b. 6 C. 8d. 105. When x=-2, which expression has the value -64?b. 2x3c. (3x)?d. (2x)a. 3x2