(x+1)(x-6)……因式分解?十字相乘法?
填空题x^2-5x+6=()();x^+5x+6=()() x^+5x-6()();x^2-5x-6()()
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相关问题
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设M={x|x-2/3+x-3/2=3/x-2+2/x-3}N={x|x-6/5+x-5/6=5/x-6+6/x-5}求
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先阅读,再填空解题:(x+5)(x+6)=x2+11x+30; (x-5)(x-6)=x2-11x+30;(x-5)(x
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1-1/(x2+7x+6)=(x2-5x+5)/(x 2-5x+6)
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(2-6x/3)-(5-6x/6)+3x=(1+5x/2)
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1&6=1X2X3X4X5,6&6=6X7X8X9X10.据此求:(2&5)÷(6&5)
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道解方程题①8x=63+3x②3(x-2)+9.6x=5.2③5x+12=6x-6
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因式分解:6x2+5x2-38x2+5x+6因式分解
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(x+2)(3x-2)-5(x+6)(x-6)
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因式分解:(1)x^2-7x+6(2)x^2-5x+6(3)x^2-5x-6(4)x^2-7x+8(5)x^2-7x+1
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方程x除5-6=x除6-2 x/5-6=120/5-6=18