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julia-pushkina [17]
3 years ago
13

Expand and simplify (x-2)(2x+4)

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
7 0

Answer:

2 {x}^{2}  - 8

hope it's helpful ❤❤❤

THANK YOU.

shusha [124]3 years ago
5 0

Answer:

2x² - 8

Step-by-step explanation:

Given

(x - 2)(2x + 4)

Each term in the second factor is multiplied by each term in the first factor, that is

x(2x + 4) - 2(2x + 4) ← distribute both parenthesis

= 2x² + 4x - 4x - 8 ← collect like terms

= 2x² - 8

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It will take 764664.6875 days to empty the water

<h3>How to determine the time to empty?</h3>

The given parameters are:

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The time is calculated as:

Time = Volume/Rate

So, we have:

Time = 1 cubic mile ÷ 1000 gallons per minute

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