Question

8. Ifx=m is one of the solutions of the equation 2x + 5x-m=0 the possible values of m are
a) (0, 2) b) (0-2)
c) (0, 1)
d) (1, -1)
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Answer 1

Answer:

put x=m in the equation

2x+5x-m=0

2m+5m-m=0

2m+4m=0

6m=0

m=0