book Maths Puzzle Numerical Ability

Please help me solve this problem: (x-3)(x+2)= (2x+5)/4

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What makes Algebra so important? A man is standing 150 ft from the base of a tower. The angle is 62 degrees. How tall is the tower? We know that this is a right triangle. Can you find the hypotenuse if you know the angles and only one side?