exam Maths Puzzle Numerical Ability

Factor each polynomial completely. If a polynomial is prime say so

32a� + 4a -6

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exam Other Question

Find all positive values for k for which each of the following can be factored.

x^2+x-k A girl is now one-fourth as old as her father, and in seven years she will be one-half as old as her father was twelve years ago. Find their present ages.