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Ymorist [56]
3 years ago
9

Help me please asap!!!!!!

Mathematics
1 answer:
meriva3 years ago
8 0

Answer:

4a^2-19ab-5b^2

Step-by-step explanation:

What you do is the FOIL process.

F=First. The first thing that you do is times 4a and a together to get 4a^2.

O=Outer. You multiply the outer numbers 4a and -5b together to get -20ab.

I=Inner. You multiply the inner numbers b and a together to get ab.

L=Last. You multiply the last numbers b and -5b together to get -5b^2.

Put it all together to get 4a^2-19ab-5b^2 as your answer.

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Help asap help please.
Xelga [282]

Answer:

30(x+1)/(x+7)

Step-by-step explanation:

This is not a rational expression because denominator has a domain of which it can be undefined.

To rationalize multiply by the reciprocal of the denominator (1/6+1/x+1)

___<u>5___ </u>*(6)(x+1) --> _____<u>30(x+1)_____</u> --><u> 30x+1</u>_ --> <u>30x+1</u>

1/6+1/x+1   *(6)(x+1)--> 6(x+1)/6 + 6(x+1)/(x+1) --> (x+1)+6 --> x+7

Final Answer: 30(x+1)/(x+7)



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miss Akunina [59]

Do you mean x/-9=(-4)-(-11)x?

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AnnyKZ [126]

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