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| 1. |
(x-2)/(x+2)+3(x+2)/(x-2)-4=0 solve this equation |
| Answer» X-2/x+2+3(x+2)/x-2=4(X-2)²+3(x+2)(x+2)/(x+2)(x-2)=4(X-2)²+3(x+2)²/(x+2)(x-2)=4X²+4-4x+3(x²+4+4x)/x²-4=4X²+4-4x+3x²+12+12x/x²-4=44x²+8x+16/x²-4=44x²+8x+16=4x²-168x=-16-16x=-4 | |