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jeka57 [31]
3 years ago
13

Solve pls brainliest

Mathematics
1 answer:
wel3 years ago
6 0

Answer:

For the first question, it's the third line, the second one after zero.

For the second question, it's the 7th line in total, the 6th one after zero.

Step-by-step explanation:

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Please help me!!! Please? Ive been asking since yesterday<br> 8th grade math
suter [353]
I am pretty sure the answer is c. I hope this helps
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scoundrel [369]

Answer:

A

Step-by-step explanation:

We take a look at this expression: 49x^2-9 and notice that both terms are square numbers. 49x^2=(7x)^2 and 9=3^2.

There is a specific formula that I highly recommend you memorize involving differences of squares. It states that given the difference of squares a^2-b^2, it can always be factored into (a+b)(a-b).

Here, we can apply that. In this case, a = 7x and b = 3. So:

49x^2-9=(7x)^2-3^2=(7x+3)(7x-3)

Thus, the answer is A.

Hope this helps!

6 0
3 years ago
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amm1812

Answer:

10

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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