exam Maths Puzzle Numerical Ability

Find all zeros (real and imaginary) for f(x)=x^4-6x^3+14x^2-14x+5

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exam Other Question

If v = 3i-5j and w = -2i + 3j find 3v - 2w. a plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying time for second part of the trip?