exam Maths Puzzle Numerical Ability

A construction agency pay equipment operators $134 a day and general laborer $90 a day. If thirty two people were hired and the payroll was $3848 how may equipment operators were employed? How man general laborers?

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Instructions: Perform the indicated operations.

What is the solution for -4x^2(5x^4-3x^2+x-2)
I need help with solving this rational equation please. The directions say to solve by multiplying both sides by the least common denominator.

4/2x+6 - 3/x+3 = x/2

Any help would be greatly appricated.