Mathematics
Senior High
Solved
この式の変形は何のために何をしているんでしょうか?
おしえてください!
問1
-8x2y+8xy-2y=-2y (4x²-4x+1)
-2y {(2x)-2x2xx1+12)=-2y (2x-1)²
2
~-19=(r+1) (r―31
-2/2-1
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