Mathematics
Senior High
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8x°+27y°+ 18xy-1
=(2x)°+(3y)°+(-1パー3-2x-3y-(-1)
=(2x+3y-1}{(2x)° +(3y) +(-1)-2x-3y-3y-(-1)-(-1)-2x}
|%= (2x+3y-1X4x?+9y?+1-6xy+3y+2x)
=(2x+3y-1X4x?-6xy+9y?+2x+3y+1)
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