Two cars each complete a journey of 120 km. The first car is driven at an average speed of x km/h. The second car is driven at an average speed 3 km/h faster than the first car. The first car takes 6 minutes longer to complete the journey. (1) Write down an equation in x and show that it simplifies to x2 + 3x - 3600 = 0.
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Two cars each complete a journey of 120 km. The first car is driven at an average speed of x km/h. The second car is driven at an average speed 3 km/h faster than the first car. The first car takes 6 minutes longer to complete the journey. (1) Write down an equation in x and show that it simplifies to x2 + 3x - 3600 = 0.
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