exam Maths Puzzle Numerical Ability

Solve and check for X :

[5/(x+6)]+[2/(x^2+7x+6)]=[3/(x+1)]

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exam Other Question

Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2 + bx + c = 0.

- sqrt( 3 ) root( 3, 3 ) Suppose that the population of a town is described by P=0.16t^2+7.2t+100, where p is the population in thousands and t is the time in years,with t=0 representing the year 2000.