把 y= -2x的平方+x+3帮我配方越详细越好```````````我急着用```````````拜托`````````````要步骤````````````
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 20:58:25
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把 y= -2x的平方+x+3帮我配方越详细越好```````````我急着用```````````拜托`````````````要步骤````````````
把 y= -2x的平方+x+3帮我配方
越详细越好```````````我急着用```````````拜托`````````````要步骤````````````
把 y= -2x的平方+x+3帮我配方越详细越好```````````我急着用```````````拜托`````````````要步骤````````````
y=-2x^2+x+3
=-2(x^2-x/2)+3
=-2(X^2-x/2+1/16)+3+1/16
=-2(x-1/4)^2+49/16
把 y= -2x的平方+x+3帮我配方越详细越好```````````我急着用```````````拜托`````````````要步骤````````````
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