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katrin2010 [14]
2 years ago
6

How to factor expressions? For example 4n + 4 • 2, 10t + 10 • 3, 7v + 7 • 8

Mathematics
1 answer:
TiliK225 [7]2 years ago
6 0

Answer:

8(n + 1)

30(t + 1)

56(v + 1)

Step-by-step explanation:

(4n + 4)(2)

4(n + 1)(2)

8(n + 1)

(10t + 10)(3)

10(t + 1)(3)

30(t + 1)

(7v + 7)(8)

7(v + 1)(8)

56(v + 1)

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Answer:

9

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Let the two perfect cubes be x and y where x > y.

According to the given conditions:

{x}^{3}  -  {y}^{3}  = 386...(1) \\ y = 7...(2) \\ plug \: y = 7 \: in \: equation \: (1) \\  {x}^{3}  -  {7}^{3}  = 386 \\ {x}^{3}  -  343 = 386 \\ {x}^{3}     = 343  +  386 \\ {x}^{3}     = 343  +  386 \\ {x}^{3}   = 729 \\ x =  \sqrt[3]{729}  \\ x = 9

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3 years ago
Justin had 5 dogs he gave his friend 4 How many dogs dose justin have now
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3 years ago
What is 100:25 in lowest terms
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3 years ago
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