Section: Mathematical Reasoning

58) If 3x - 1 = 11, what is the value of x² + x?

1. 12
2. 15
3. 16
4. 18
5. 20

3x - 1 = 11
3x= 11 + 1 = 12
x= 12 / 3 = 4
x² + x = 4² + 4 = 16 + 4 = 20