exam Maths Puzzle Numerical Ability

Please help.
Solve for x. 4x(x-2)-5x(x-1)=2
x=

Please help me solve ths problem as soon as possible. Thank you very much.

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Word Problem:

Maximun Height: If a soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second, then it's height above the earth in feet is Constuction - How many gallons of water are needed to fill a swimming pool that approximates the shape in the figure? Round to the nearest gallon.

Shape given: width: 28ft length 75ft. shallow end 3ft -- deep end 9ft.