I'm stuck on this probelem with radicals.. can someone help me?

(Radical 7 +1)(3radical 7 +1)

1 answer

FOIL:
3(sqrt7)^2+sqrt7+3sqrt7 + 1

21+4sqrt7+1
Similar Questions
  1. Adding and subtracting radicals3radical sign 5/12 + radical sign12/5 - 1/3radical sign 60 = Thank you!
    1. answers icon 0 answers
    1. answers icon 1 answer
  2. can someone correct my math...thanks...Perform the indicated multiplication. Then simplify each radical expression. Problem#4
    1. answers icon 0 answers
    1. answers icon 2 answers
more similar questions