exam Maths Puzzle Numerical Ability

A tennis club offers two payment options:
Option 1: $42 monthly fee plus $5/hour for court rental
Option 2: No monthly fee but $8.50/hour for court rental.
Let x = hours per

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Instructions: Add. Perform indicated operations.

What is the solution for 6x^3-3x^2+4x-2
-6x^3+7x^2-2x-2 The difference of two numbers is 49. The second is 8 less then 4 times the first. What are the two numbers.