exam Maths Puzzle Numerical Ability

Multiply

x2 - 7x - 18 times x2 - 11x +18
x2 - 81 x2 - 4

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exam Other Question

Solve the following inequality and express the solution as an interval: -18/6x-42>0: Solve the following inequality and express the solution as an interval:
-18/6x-42>0. Possibl Here is the problem:

Superman takes off after Lex Luthor, who is 125 miles away. Flying to capture Lex takes superman 210 seconds with the tailwind. The return trip takes 215 se