Respuesta :
Answer:
±2√21.
Step-by-step explanation:
First, you break 84 down into √4⋅√21.
That is equal to ±2√21.
Hope I helped! Please mark Brainliest!
Answer: 2√21
The answer is 2 radical 21
Step-by-step explanation:
Answer:
±2√21.
Step-by-step explanation:
First, you break 84 down into √4⋅√21.
That is equal to ±2√21.
Hope I helped! Please mark Brainliest!
Answer: 2√21
The answer is 2 radical 21
Step-by-step explanation: