Answer:
Plugging 5 for x, the answers are:
3x=15
2x-1=9
x^(2)=25
15, 9, 25
Step-by-step explanation:
When x = 5:
3x = 3 × 5 = 15
2x - 1 = 2(5) - 1 = 9
x² = 5² = 25
