請問有冇順天巴士相
回答 (4)
1.If (2x-1)is a factor of 2乘x的二次+cx-3,then the value of c is..?
A.7
B.-7
C.-5
D.5
E.8
2.If (x-2) is a factor of x的二次+7x+k, then the value of k is..?
A.-18
B.-9
C.9
D.18
E.-5
Please show me your working steps and answers clearly.
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