exam Maths Puzzle Numerical Ability

please help me multiply?

2x^2-x-3
over
3x^+7x+4
times
3x^2-11x-20
over
4x^2-9

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exam Other Question

3x-3y=3
-2x =0 what is x and y An airplane whose speed in still air is 760 km/h can travel 2000 km with the wind in the same amount of time that it takes to fly 1800 km against the wind. What is the wind speed?
Algebra 1, systems of linear equations