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# 8.5 Expressions with Several Radicals - 3 3 6 10 5 24 2 40...

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8.5 Expressions Containing Several Radical Terms In order to add or subtract radical expressions, we must have like radicands . Then we add or subtract the coefficients only: x a y a x y a n n n + = + ( ) . If we cannot get like radicands by simplifying the expressions, then the expressions cannot be added or subtracted. Simplify: 1. 5 15 2 15 + 2. 3 3 9 2 15 2 y y - 3. 50 5 18

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Unformatted text preview: 3 3 6 10 5 24 2 40 7 81 +--5. 20 6 16 45 x x x-+ 6 . 75 9 3 2-7. 4 5 2 4 4 5 4 8 80 4 405 3 5 2 x y y x y xy x +-Multiply: 8. ( 29 4 4 2 3 5 3 3 3 2x y 4x 3y-9. ( 29 3 2 15 3 6-10. ( 29 ( 29 3 7 2 5 3 7 2 5 +-11. ( 29-2 7 x 5 3 12. ( 29 ( 29-+ 7 2x 5 3 8 6x 13. 3 2 x-14. 3 2 5 1 + 15. 5 3 3 2 +-...
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8.5 Expressions with Several Radicals - 3 3 6 10 5 24 2 40...

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