exam Maths Puzzle Numerical Ability

I am now stuck on the factoring by group.

45x^2 + 39x + 6

I wish math came easier to me! I think I have some of it just not to sure
3(15x^2 + 13x + 2)

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exam Other Question

Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 60 points. They won 12 more games than they tied. How many wins an thirty percent of the sulfur desiccated. If 42 tons did not desiccate, how much sulfur was there in all?