Question

323 × 15 + (?)² = 4989

• A. 144
• B. 12
• C. 36
• D. 24

Answer 1

Answer:

B. 12

323 × 15 + (?)² = 4989 4845 + X² = 4989 X² = 4989 - 4845 = 144 X = 12