请解出 X(X-16)=1161 X(X-1)/2=78X(X-16)=1161 X(X-1)/2=78是2个方程
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![请解出 X(X-16)=1161 X(X-1)/2=78X(X-16)=1161 X(X-1)/2=78是2个方程](/uploads/image/z/2541628-28-8.jpg?t=%E8%AF%B7%E8%A7%A3%E5%87%BA+X%28X-16%29%3D1161+X%28X-1%29%2F2%3D78X%28X-16%29%3D1161+X%28X-1%29%2F2%3D78%E6%98%AF2%E4%B8%AA%E6%96%B9%E7%A8%8B)
请解出 X(X-16)=1161 X(X-1)/2=78X(X-16)=1161 X(X-1)/2=78是2个方程
请解出 X(X-16)=1161 X(X-1)/2=78
X(X-16)=1161
X(X-1)/2=78
是2个方程
请解出 X(X-16)=1161 X(X-1)/2=78X(X-16)=1161 X(X-1)/2=78是2个方程
X²-16X-1161=0
(X+27)(X-43)=0
X=-27 OR X=43
X(X-1)=156
X²-X-156=0
(X-13)(X+12)=0
X=13 OR X=-12