kiamonstaa
3√(2x)+x√(8x)5√(18x)



This Question is Closed

kiamonstaa
Best Response
You've already chosen the best response.
0
show all work.

helder_edwin
Best Response
You've already chosen the best response.
1
\[ \large 3\sqrt{2x}+x\sqrt{8x}5\sqrt{18x} \]

marcoduuuh
Best Response
You've already chosen the best response.
0
12√2x+2x√2x

helder_edwin
Best Response
You've already chosen the best response.
1
first
\[ \large \sqrt{8x}=\sqrt{2\cdot4x}=2\sqrt{2x} \]

helder_edwin
Best Response
You've already chosen the best response.
1
\[ \large \sqrt{18x}=\sqrt{2\cdot9x}=3\sqrt{2x} \]

kiamonstaa
Best Response
You've already chosen the best response.
0
okay what's next?

helder_edwin
Best Response
You've already chosen the best response.
1
plug in the main expresion.

helder_edwin
Best Response
You've already chosen the best response.
1
\[ \large 3\sqrt{2x}+x\sqrt{8x}5\sqrt{18x}= \]
\[ \large 3\sqrt{2x}+x[2\sqrt{2x}]5[3\sqrt{2x}]=
3\sqrt{2x}+2x\sqrt{2x}15\sqrt{2x} \]

helder_edwin
Best Response
You've already chosen the best response.
1
now add/substract like terms

kiamonstaa
Best Response
You've already chosen the best response.
0
ohh.....okay thanks

helder_edwin
Best Response
You've already chosen the best response.
1
u r welcome

kiamonstaa
Best Response
You've already chosen the best response.
0
is that it or am i missing something?

helder_edwin
Best Response
You've already chosen the best response.
1
what did u get?

kiamonstaa
Best Response
You've already chosen the best response.
0
\[12\sqrt{2x}+2x \sqrt{2x}\]

kiamonstaa
Best Response
You've already chosen the best response.
0
oh. ha nvm i got it.

helder_edwin
Best Response
You've already chosen the best response.
1
\[ \large =12\sqrt{2x}+2x\sqrt{2x}=(2x12)\sqrt{2x} \]

kiamonstaa
Best Response
You've already chosen the best response.
0
ohhh.

marcoduuuh
Best Response
You've already chosen the best response.
0
Which would be my answer. That's the final one without all the work. :p

kiamonstaa
Best Response
You've already chosen the best response.
0
lol yeaa