(3x-1)^2=16求x
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(3x-1)^2=16求x(3x-1)^2=16求x(3x-1)^2=16求x即3x-1=-4,3x-1=4x=-1,x=5/3
(3x-1)^2=16求x
(3x-1)^2=16
求x
(3x-1)^2=16求x
即3x-1=-4,3x-1=4
x=-1,x=5/3
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
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