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kiamonstaaBest ResponseYou've already chosen the best response.1
\[\sqrt{45}\sqrt{75}+\sqrt{192}\]
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
\[ \large \sqrt{45}=\sqrt{5\cdot9}=3\sqrt{5} \]
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
do the same with the other roots.
 one year ago

kiamonstaaBest ResponseYou've already chosen the best response.1
for the sqrt75 i got sqrt5*7*2
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
i think \(75=25\times 3\)
 one year ago

satellite73Best ResponseYou've already chosen the best response.0
making \(\sqrt{75}=\sqrt{25\times 3}=\sqrt{25}\times \sqrt{3}=5\sqrt{3}\)
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
now do the same with 192
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
\[ \large \sqrt{192}= \]
 one year ago

kiamonstaaBest ResponseYou've already chosen the best response.1
would it be 4sqrt6?
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
i got \[ \large \sqrt{192}=\sqrt{2^6\cdot3}=2^3\cdot\sqrt{3}=8\sqrt{3} \]
 one year ago

kiamonstaaBest ResponseYou've already chosen the best response.1
oh okay. i missed a 2
 one year ago

kiamonstaaBest ResponseYou've already chosen the best response.1
so how would i simplify all that?
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
now plug in everything: \[ \large \sqrt{45}\sqrt{75}+\sqrt{192}=3\sqrt{5}5\sqrt{3}+8\sqrt{3} \]
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
now combine like terms.
 one year ago

kiamonstaaBest ResponseYou've already chosen the best response.1
do you add or multiply?
 one year ago

kiamonstaaBest ResponseYou've already chosen the best response.1
oh okay so 6 sqrt 11?
 one year ago

helder_edwinBest ResponseYou've already chosen the best response.1
\[ \large =3\sqrt{5}+3\sqrt{3}=3(\sqrt{5}+\sqrt{3}) \]
 one year ago
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