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yuradex [85]
3 years ago
15

Factor this polynomial completely. x2 - 49

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

Answer:

(x + 7)(x - 7)

Step-by-step explanation:

The square root of x is just x. The square root of 49 is positive and negative 7.

If this answer is correct, please make me Brainliest!

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Ksju [112]

Answer:  The correct option is

(A)  If F and G differ by a constant, then f = g.

Step-by-step explanation:  According to the given condition, we have

F'(x)=f(x)~~~\textup{and}~~~G'(x)=g(x).

We are to select the correct statement.

Let F(x) = p(x)  and  G(x) = p(x) + c, c - constant.

Then, we get

F'(x)=p'(x)~~~\textup{and}~~~G'(x)=p'(x).

Therefore,

F'(x)=G'(x)\\\\\Rightarrow f(x)=g(x)\\\\\Rightarrow f=g.

Thus, if F and G differ by a constant, then f = g.

Option (A) is CORRECT.

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3 years ago
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Sonbull [250]

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B

Step-by-step explanation:

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8 0
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Aleksandr-060686 [28]

Answer:

Length of QR = 7

Step-by-step explanation:

20 - 13 = 7

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