book Maths Puzzle Numerical Ability

List all pairs of factors of each integer.
1) 18
2) 30
3) 17
4) -8

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book Other Question

log (6x + 5) - log 3 = log 2 - log x Hi Tutors:
I have been reading and looking up topics on various Math help sites, yet I am as lost as ever.
PROBLEM: Find the intersection point (if there is one) and graph, shad