Question

help me please?!?

Answer 1

-_- we are on the same stupid site

Answer 2

here.. try this site it helps alot
https://mathway.com/

Answer 3

let me kno if you get the answer

Answer 4

well first what do you get when you multiply the radicals?

Answer 5

8

Answer 6

how about the x's?

Answer 7

x^2?

Answer 8

when you have the same base you add the exponents..
so x^2(x)
x^(2+1)
what do you get?

Answer 9

x^3

Answer 10

great put it all together and we know it's
\[\sqrt{8x ^{3}}\]
right?

Answer 11

yes.

Answer 12

okay, now from here. how do we simplify radicals?

Answer 13

c?

Answer 14

uhmnot quite

Answer 15

okay..no. /.\

Answer 16

we take everything in pairs of 2 out.
So let's expand this variable.
\[\sqrt{2\times2\times2\times x \times x \times x}\]
so what pairs can we take out?

Answer 17

a pair of 2's and a pair or x's.

Answer 18

so 2x sqrt 2x

Answer 19

yes!