P.nut1996
Algebra 2 help? Adding and subtracting radical expressions... So lost



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LilHefner3
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i got a 100% on that

P.nut1996
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Wanna help me out?? :)

azolotor
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What's the question?

P.nut1996
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\[7\sqrt{13x}15\sqrt{2x}+2\sqrt{13x}4\sqrt{2x}\]

anonymous
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like asking what is
\[7y15z+2y4z\] exactly

azolotor
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Just combine like terms

P.nut1996
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How?

anonymous
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for example \(7\sqrt{13x}+2\sqrt{13x}=9\sqrt{13x}\)

P.nut1996
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and \[15\sqrt{2x}4\sqrt{2x}=19\sqrt{2x}\]

anonymous
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yes

anonymous
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put them together and get
\[9\sqrt{13x}19\sqrt{2x}\] there is nothing more than can be done

anonymous
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since \(\sqrt{13x}\)and \(\sqrt{2x}\) are not like terms, you cannot combine them in one term

P.nut1996
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So that is all? Wow, that's much easier than I thought! Thank you so much! ;D

anonymous
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yw

anonymous
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like most math, it is easy when you know what to do