SOLUTION: there are x+5 trays. in every tray, there are 3x-1 eggs. how many eggs are there in all if x=5?

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Question 796155: there are x+5 trays. in every tray, there are 3x-1 eggs. how many eggs are there in all if x=5?
Found 2 solutions by waynest, josgarithmetic:
Answer by waynest(281) About Me  (Show Source):
You can put this solution on YOUR website!
(x + 5)(3x - 1)
3x^2 - x + 15x -5
3x^2 + 14x - 5
x = 5
3(5)^2 + 14(5) -5
3(25) + 70 - 5
75 + 70 -5
145 - 5 = 140

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Watch the units.
%28x%2B5%29 trays * %283x-1%29 eggs/tray = %28x%2B5%29%283x-1%29 eggs

x=5,
%285%2B5%29%283%2A5-1%29=10%2A14=highlight%28140%29 eggs