What is the common factor in the expression: 5x^2+20x+30

5

Step-by-step explanation:

5x^2 = 5*x*x

20x = 2*2*5*x

30 =3*2*5

The common factor is 5

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(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

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