(x-1)x(x-1)+|y+4|=0则3x+5y=?
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(x-1)x(x-1)+|y+4|=0则3x+5y=?
(x-1)x(x-1)+|y+4|=0则3x+5y=?
(x-1)x(x-1)+|y+4|=0则3x+5y=?
x-1=0;
x=1;
y+4=0;
y=-4;
所以3x+5y=3-20=-17;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
前面是(x-1)²吧,那么就是(x-1)²≥0,而且y+4的绝对值≥0,所以只能都等于0,所以x=1,y=-4,所以结果就是-17.