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sashaice [31]
3 years ago
8

If 3 to the power of k+3 minus 3 to the power of k equals m, what is 3 to the power of k+2 in terms of m?

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
8 0

Answer:

3^(k+2) = 9m/ 26

Step-by-step explanation:

Let 3^k = y :

y×3^3-y = m

26y = m

26×3^k = m

3^(k+2) = m/26×3^2

Therefore 3^(k+2) = 9m/26

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Answer:

x² + 5x + 6

Step-by-step explanation:

Foil means first, outside, inside, last

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2 × x = 2x

Last: (x+2)(x+3)

2 × 3 = 6

adding them together:

x² + 3x + 2x + 6 = x² + 5x + 6

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