Question

radical 28 - radical 63
simplify

Answer 1

I'm assuming that you mean:
\[\sqrt{28}-\sqrt{63}.\]Is that correct?

Is there a perfect square in 28? in 63? If so, factor 28 and/or factor 63, leaving the factors under the radical. what do you get?

Answer 2

no it is not a perfect square

Answer 3

neither are. so would i just leave them under the radical?

Answer 4

leave as is i mean

Answer 5

I asked whether there's a perfect square IN 28. In other words, factor 28 and determine whether either of the factors is a perfect square. Approach 63 in the same way.

Answer 6

what are the factors of 28?
What are the factors of 63?