exam Maths Puzzle Numerical Ability

Factor the polynomial completely.

-3s squared - 10s + 8

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exam Other Question

Another very common mistake is in the equation below:
The equation: 6x - (x + 3) = 5 + 2x
First step in solving: 6x - x + 3 = 5 + 2x
Write a clear explanation of what error has been made and what could be done to
avoid the mistake. Michael rows 8 mph in still water. If he rows 24 miles downstream in the same amount of time he rows 8 miles upstream, find the rate of the current.