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Penjelasan dengan langkah-langkah:
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[tex]3 \sqrt{5} - 3 \sqrt{80} [/tex]
[tex] = 3 \sqrt{5} - 3 \sqrt{16 \times 5} [/tex]
[tex] = 3 \sqrt{5} - 3 \sqrt{ {4}^{2} \times 5} [/tex]
[tex] = 3 \sqrt{5} - 3.4 \sqrt{5} [/tex]
[tex] = 3 \sqrt{5} - 12 \sqrt{5} [/tex]
[tex] = (3 - 12) \sqrt{5} [/tex]
[tex] = - 9 \sqrt{5} [/tex]
[tex]\large{ \colorbox{lavender}{ \purple{ \boxed{ \green{ \star{ \purple{ \rm{«Penyelesaian \: Soal»: \green{ \star}}}}}}}}}[/tex]
[tex] \: [/tex]
[tex]\huge{ \purple{ \mathfrak{♡Pembahasan♡ : }}}[/tex]
[tex] \: [/tex]
[tex] \begin{gathered} \boxed{ \boxed{ \begin{aligned} \underline{ \blue{ \sf{3 \sqrt{5} - 3 \sqrt{80} }}} \\ \sf{ = 3 \sqrt{5} - 3 \sqrt{16 \times 5} } \\ \sf{ = 3 \sqrt{5} - 3 \times 4\sqrt{5} } \\ \sf{ = 3 \sqrt{5} - (3 \times 4) \sqrt{5} } \\ \sf{ = 3 \sqrt{5} - 12 \sqrt{5} } \\ \sf{ = (3 - 12) \sqrt{5} } \\ \sf{ = \underline{ \red{ - 9 \sqrt{5} }}}\end{aligned}}} \end{gathered}[/tex]
[tex] \: [/tex]
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[tex]\colorbox{ff0000}{} \colorbox{ff4000}{}\colorbox{ff8000}{}\colorbox{ffc000}{}\colorbox{ffff00}{}\colorbox{c0ff00}{}\colorbox{80ff00}{}\colorbox{40ff00}{}\colorbox{00ff00}{}\colorbox{00ff40}{}\colorbox{00ff80}{}\colorbox{00ffc0}{}\colorbox{00ffff}{}\colorbox{00c0ff}{}\colorbox{0080ff}{}\colorbox{0040ff}{}\colorbox{0000ff}{}\colorbox{4000ff}{}\colorbox{8000ff}{}\colorbox{c000ff}{}\colorbox{ff00ff}{}\colorbox{ff00c0}{}\colorbox{ff00a0}{}\colorbox{ff0080}{}\colorbox{ff0040}{}[/tex]
[tex] \: [/tex]
[tex]\colorbox{black} { \blue{ \boxed{ \boxed{\rm\color{FF6666}{༆@}\color{FFB266}{O}\color{B2FF66}{n}\color{66FF66}{l}\color{66FFFF}{y}\color{66B2FF}{Y}\color{6666FF}{o}\color{B266FF}{o}\color{FF66FF}{j}\color{FF66B2}{i}\color{FF9999}{n}\color{FFCC99}{࿐}}}}}[/tex]
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