试题与答案

关于x的方程x(x+6)=16解为[ ] A.x1=2,x2=2 B.x1=8,

题型:选择题

题目:

关于x的方程x(x+6)=16解为[ ]

A.x1=2,x2=2

B.x1=8,x2= -4

C.x1= -8,x2=2

D.x1=8,x2= -2

答案:

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