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FinnZ [79.3K]
3 years ago
10

Find the difference: 7 7/8 - 3 1/4=?*

Mathematics
1 answer:
sveticcg [70]3 years ago
6 0
4 5/8
4 1/8
20 1/2
4 3/8
0.25 or 16
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Which equation is a solution to (x-3)(x+9)=27?
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Answer:

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I'm assuming you want the solutions to that equation, so here goes! (If not, please comment.)

(x-3)(x+9)=27

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x^2 +   9x    -    3x    -  27

(first+ inner + outer + last)

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Let's complete the square, because factoring doesn't work, and because it's good practice.

x^2 + 6x + ___ = 54 + ____

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