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Paul [167]
3 years ago
8

I don’t know how to do this problem in math

Mathematics
1 answer:
Elodia [21]3 years ago
5 0

Answer:

142

Step-by-step explanation:

Basically, in f (x) whatever x is will go in the parenthesis.

So,

-(-9)^{2}-7(-9)-2

The two negatives that are next together will turn positive.

9^{2}+63-2

When multiplying two negative numbers turn positive.

9 x 9= 81

81+63-2

144-2=142

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What is the midpoint of the x-intercepts of<br> f(x) = (x – 2)(x – 4)?
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