问题
填空题
已知5x2-xy-6y2=0,则
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答案
∵5x2-xy-6y2=0,
∴(5x-6y)(x+y)=0,
∴5x-6y=0,x+y=0,
∴5x=6y,x=-y,
∴
=y x
或-1.5 6
故答案为:
或-1.5 6
已知5x2-xy-6y2=0,则
|
∵5x2-xy-6y2=0,
∴(5x-6y)(x+y)=0,
∴5x-6y=0,x+y=0,
∴5x=6y,x=-y,
∴
=y x
或-1.5 6
故答案为:
或-1.5 6