Respuesta :

raks1972

Answer:

11 + 5√5

Step-by-step explanation:

6 + 3√5 +2√5 + 5

11 + 5√5

root n * root n = n , which is why there is a 5 at the end

cygnusabc00

Answer:

the answer is 11+5√5

Step-by-step explanation:

  • B/c (a+b).(c+d)=ac+ad+bc+bad
  • (3+√5)(2+√5)=3.2+3.√5+√5.2+√5√5
  • =6+3√5+2√5+√5√5
  • =6+3√5+2√5+5
  • =11+3√52√5
  • =11+5√5

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