exam Maths Puzzle Numerical Ability

Factor

3x^2 - 7x - 6

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exam Other Question

Trains at each end of the 50.0 km long Eurotunnel under the English Channel start at the same time into the tunnel. Find their speeds if the train from france travels 8.0km/h faster than the train from England and they pass in 17.0 min. for what values of p is 4x^2+px+49=0 a perfect square?