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化简y=(x-260/10×7.5+4.5)(x-100)

题目详情
化简y=(x-260/10×7.5+4.5)(x-100)
▼优质解答
答案和解析
y=(X-26x7.5+4.5)(X-100)
=(X-195+4.5)(X-100)
=(X-190.5)(X-100)
=X(X-100)-90.5(X-100)
=X2-100X-90.5X+9050
=X2-190.5X+9050