Add 3sqrt(21) + 7sqrt(21) (1 point)
O 10sqrt(42)
○ sqrt(52)
O sqrt(24) + sqrt(28)
○ 10sqrt(21)
1 answer
3sqrt(21) + 7sqrt(21) simplifies to 10sqrt(21)
O 10sqrt(42)
○ sqrt(52)
O sqrt(24) + sqrt(28)
○ 10sqrt(21)
1 answer