3 years ago

Can someone help with this? I don't understand how to do it.

Mathematics

2 answers:

Vladimir [108]3 years ago

5 0

Answer:

(x+6)² = 13

Step-by-step explanation:

larisa [96]3 years ago

3 0

(x+6)2=13

Explanation:

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timofeeve [1]

Answer: $\frac{2(y^2-4y+40)}{(y-8)(y+4)}$

Step-by-step explanation:

To solve this problem, we want to make sure the denominators are the same on both fractions. Once they are equal, we can dd them together.

$\frac{y+4}{y-8} +\frac{y-8}{y+4}$ [multiply first fraction by y+4 and second by y-8]

$\frac{(y+4)(y+4)}{(y-8)(y+4)} +\frac{(y-8)(y-8)}{(y-8)(y+4)}$ [distribute by FOIL]

$\frac{y^2+8y+16}{(y-8)(y+4)} +\frac{y^2-16y+64}{(y-8)(y+4)}$ [add numerator]

$\frac{y^2+8y+16+y^2-16y+64}{(y-8)(y+4)}$ [combine like terms]

$\frac{2y^2-8y+80}{(y-8)(y+4)}$ [factor out 2 from numerator]

$\frac{2(y^2-4y+40)}{(y-8)(y+4)}$

Now we know that $\frac{2(y^2-4y+40)}{(y-8)(y+4)}$ is the factored form after adding.

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3 years ago

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dexar [7]

Answer: A and C

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3 years ago

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tatyana61 [14]

Answer:

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Step-by-step explanation:

It's because by everytime, the amount of 2 before 7 increase by 1. So the answer will be 222227

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3 years ago

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Zinaida [17]

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