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TEA [102]
3 years ago
7

Factor completely.28 - 7x^2 ​

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0

Answer:

7(4 - x^2)

Step-by-step explanation:

Well you just factor out 7, since that is the GCF. 7(4 - x^2)

Hope this helps

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If f(x) = - x + 4 and g(x) = x ^ 2 - 5 , then f(g(-2))=?
kkurt [141]

Answer:

Step-by-step explanation:

using your f(x) I want to show you how to plug in different things itnot he function.

f(x) = -x + 4

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f(m) = -m + 4

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Does that help?  what if you replaced h(x) with g(x)?  Of course you already have that x so you could make it a little simpler as well.  Let me know if you don't quite get it.

5 0
3 years ago
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7 0
3 years ago
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Ann [662]

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Step-by-step explanation:

First multiply -2.5(4x)= -10x and then -2.5x-3= 7.5 it should be -10x+7.5

3 0
3 years ago
What is 2/7 + 3/5 please I need to know I need to know and I need to know what's ​
just olya [345]

Answer: 31/35

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I need help with this
Sloan [31]
That equals 27 hope this helps
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3 years ago
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