book Maths Puzzle Numerical Ability

I need your help with, Factoring Trinomials By Grouping, If the Trinomials cannot be factored write "PRIME"

4x^2-2x-30

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book Other Question

Solve. 10x - 0.62 = 9(x - 0.95) 3. Candy and Tim share a paper route. It takes Candy 70 minutes to deliver all the papers, whereas Tim takes 80 minutes. How long does it take them when they work together?
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