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II + XT-X-X1 + xG-XI-X SX+S-XI-X |
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Answer» 9(x-3)-2(x-1)=5(x-3)(x-1)/ x+1=9x-27-2x+2=5(x+3); 7x-27=5x+15; 2x-8; 2x=8; x=8/2=4 8/x+5 -3/x-1 +1/ x-5=8(x-1)(x-5)+3(x+5)(x-5)-1(x+5)( x-1)=8(x^2-6x+5)-3( x^2-25)+1(x^2+4x-5)=8x^2-48x+40-3x^2+75+x^2+4x-5=6x^2-44x+40(75)(5)=6x^2-44×+24 x/1-x + 1-x/x=13/6; x^2+(1-x)^2/x(1-x)=x^2+1-x^2/x-x^2=1/x-x^2=13/6; 6(1)=13(x-x^2); 13x-13x^2-6=0; |
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