multiply radicals problems

4. 5√7•3√3 5. 4√6•2√6 6. 2√x•3√x 7. 5√y•√y 8. -3√3z^12•6√12z^3 9. (2√3-√2)(3√3+√2) 10. (√5-√3)(2√5+4√3)
in Algebra 1 Answers by Level 1 User (320 points)

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2 Answers

2*sqrt(5) +4*sqrt(3)

sqrt(5)=2.23606797749979

2*sqrt(5)=4.47213595499958

sqrt(3)=1.73205 08075 68877 29352 74463 41505 872...

4* that=6.92820323027551

me leev it tu yu tu add the 2 numbers

yu gotta du sumthun
by
me assume that dang thang shood be

5*sqrt(7)* 3*sqrt(3)

=15*sqrt(21)

sqrt(21)=4.58257569495584

15* that=68.7386354243376
by

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