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igor_vitrenko [27]
3 years ago
7

Expand and simplify (2x+1)(x+3)

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

2x^2+7x+3

Step-by-step explanation:

(2x+1)(x+3)

2x^2+x+6x+3

2x^2+7x+3

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A cell phone that regular costs $780 is on sale for 15% off. What is the total cost of the phone if you have to pay 5.5% sales t
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Answer:

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Step-by-step explanation:

Step one:

Given data

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