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Maths Puzzle
Numerical Ability
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z^2+z-3
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Can you please help me solve this problem the directions say **Multiply, then simplify each expression. Expression:(y-2)(3y^+2y-2)
So far i have 3y^+2y^-6y^-4
Two road crews, working together, repaired 1 mile of road in 4 hours. Working separately, one of the crews takes about 6 hours to repair a similar road. How long would it take the other crew, working alone, to repair a similar road?
Thank you!