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Toán

Rút gọn$M=1+\frac{x+3}{x^{2}+5x+6}\div (\frac{8x}{4x^{3}-8x^{2}}-\frac{3x}{3x^{2}-12}-\frac{1}{x+2})$
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Toán

Rút gọn:M = 1 + x+3x2+5x+6" role="presentation" style="box-sizing: border-box; display: inline; line-height: normal; font-size: 18px; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">x+3x2+5x+6x+3x2+5x+6 : ( 8x4x3−8x2" role="presentation" style="box-sizing: border-box; display: inline; line-height: normal; font-size: 18px; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">8x4x3−8x28x4x3−8x2 - 3x3x2−12" role="presentation" style="box-sizing: border-box; display: inline; line-height: normal; font-size: 18px; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">3x3x2−123x3x2−12 - 1x+2" role="presentation" style="box-sizing: border-box; display: inline-table; line-height: normal; font-size: 18px; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">1x+21x+2 )