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[tex]1) (5 \sqrt{x} - 3 \sqrt{25x} ) + (2 \sqrt{36x} +2 \sqrt{9x} )= \\ 2) ( \sqrt{9a} - \sqrt[3]{8b} ) - ( \sqrt[3]{27b} - \sqrt{16a} = \\ 3)6a \sqrt{63ab ^{3} } -3 \sqrt{112a^{3}b ^{3} } +2ab \sqrt{323ab} - 5b \sqrt{28a ^{3}b } [/tex]
[tex]1) (5 \sqrt{x} - 3 \sqrt{25x} ) + (2 \sqrt{36x} +2 \sqrt{9x} )= \\ 2) ( \sqrt{9a} - \sqrt[3]{8b} ) - ( \sqrt[3]{27b} - \sqrt{16a} = \\ 3)6a \sqrt{63ab ^{3} } -3 \sqrt{112a^{3}b ^{3} } +2ab \sqrt{323ab} - 5b \sqrt{28a ^{3}b } [/tex]
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2) (√(9а) - ∛(8b)) - (∛(27b) - √(16a))=3√a - 2∛b - 3∛b + 4√a=7√a - 5∛b
3) 6a√(63ab³) - 3√(112a³b³) + 2ab√(323ab) - 5b√(28a³b)=
=6a*3b√(7ab) - 3*4ab√(7ab) + 2ab√(323ab) - 5b*2a√(7ab) =
=18ab√(7ab) - 12ab√(7ab) +2ab√(323ab) - 10ab√(7ab)=
=-4ab√(7ab) + 2ab√(323ab)