exam Maths Puzzle Numerical Ability

how do I solve p(x)=x^2-2x+3

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exam Other Question

Hey Everyone,
The following question has me puzzled. It would be great if someone could help me solve it.

The student council is ordering pizza for their next meeting. There ar fred begins walking toward johns house at 3 mi/h. john leaves his house at the same time and walks toward freds house on the same path at a rate of 2 mi/h. how long will it be begore they meet if the distance between the houses is 4 miles?