exam Maths Puzzle Numerical Ability

Factor completely: x^3 - 2x^2 - 4x - 8

I have come up with varying answers for this problem, so am probably not working it correctly. Could you please show me the steps involve

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exam Other Question

A rental car costs $25 plus afixed charge per mile driven. The total chrge for 210 miles of use was $89. Write an equation for the cost,C(in dollars), in terms of the mile driven x. A bank teller knows that she received 34 dimes and nickels from a customer. If the change totaled $2.05, how many dimes and nickels did she receive. ( They ask you to do a chart for this)