book Maths Puzzle Numerical Ability

6-2x+3-(4x-1)=-2x+2

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I have to factor this polynomial, I know it has to be grouped, but I cant reach the solution provided by the text.

x^2+2xy+2x+y^2+2y-8
A plane leaves chicago heading towards LA traveling at an average speed of 540 MPH. One hour later, a second plane takes off from LA headed towards Chicago, traveling at an averag