пожалуйста помогите упростить выражение полностью решение 1) (3- корень2)*(5+корень8)= 2) (4-корень3)*(корень3 +6)= 3) (2+ корень15)* (корень5 - корень3)= 4) (3корень5 +корень3 )* (корень3 - 4корень5)=
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![sqrt{8}=sqrt{4}*sqrt{2}=2sqrt{2} sqrt{8}=sqrt{4}*sqrt{2}=2sqrt{2}](https://tex.z-dn.net/?f=sqrt%7B8%7D%3Dsqrt%7B4%7D%2Asqrt%7B2%7D%3D2sqrt%7B2%7D)
![(3-sqrt{2})(5+sqrt{8})=15+6sqrt{2}-5sqrt{2}-4=11+sqrt{2} (3-sqrt{2})(5+sqrt{8})=15+6sqrt{2}-5sqrt{2}-4=11+sqrt{2}](https://tex.z-dn.net/?f=%283-sqrt%7B2%7D%29%285%2Bsqrt%7B8%7D%29%3D15%2B6sqrt%7B2%7D-5sqrt%7B2%7D-4%3D11%2Bsqrt%7B2%7D)
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![(4-sqrt{3})(sqrt{3}+6)=4sqrt{3}+24-3-6sqrt{3}=21-2sqrt{3} (4-sqrt{3})(sqrt{3}+6)=4sqrt{3}+24-3-6sqrt{3}=21-2sqrt{3}](https://tex.z-dn.net/?f=%284-sqrt%7B3%7D%29%28sqrt%7B3%7D%2B6%29%3D4sqrt%7B3%7D%2B24-3-6sqrt%7B3%7D%3D21-2sqrt%7B3%7D)
3)
![sqrt{15}=sqrt{5}*sqrt{3} sqrt{15}=sqrt{5}*sqrt{3}](https://tex.z-dn.net/?f=sqrt%7B15%7D%3Dsqrt%7B5%7D%2Asqrt%7B3%7D)
![sqrt{5}*sqrt{15}=5sqrt{3} sqrt{5}*sqrt{15}=5sqrt{3}](https://tex.z-dn.net/?f=sqrt%7B5%7D%2Asqrt%7B15%7D%3D5sqrt%7B3%7D)
![sqrt{3}*sqrt{15}=3sqrt{5} sqrt{3}*sqrt{15}=3sqrt{5}](https://tex.z-dn.net/?f=sqrt%7B3%7D%2Asqrt%7B15%7D%3D3sqrt%7B5%7D)
![(2+sqrt{15})(sqrt{5}-sqrt{3})=2sqrt{5}-2sqrt{3}+5sqrt{3}-3sqrt{5}=\\ 3sqrt{3}-sqrt{5} (2+sqrt{15})(sqrt{5}-sqrt{3})=2sqrt{5}-2sqrt{3}+5sqrt{3}-3sqrt{5}=\\ 3sqrt{3}-sqrt{5}](https://tex.z-dn.net/?f=%282%2Bsqrt%7B15%7D%29%28sqrt%7B5%7D-sqrt%7B3%7D%29%3D2sqrt%7B5%7D-2sqrt%7B3%7D%2B5sqrt%7B3%7D-3sqrt%7B5%7D%3D%5C%5C+3sqrt%7B3%7D-sqrt%7B5%7D)
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