Thread: radical question

1. Which is the most simplified form of (1+radical3)(2-radical5)

a)2+2radical3-radical20
B)2-radical5+2radical3-radical15
c)-13+2radical3-radical5
D)2-2radical17

Your answer choice is B

You need to double distribute

so you have
1*2
-radical5
+2radical3
-radical15

you can also use a calculator type the expressions into your calculator and then type the answers into the calculator and see what values match then that is your answer