Answer: your answer should be A, C, and E.
I put an image of the correct answers.
<em>Your question is incomplete; However, a similar question is:</em>
<em>If B is between A and C, AB = x, BC = 2x + 2, and AC = 14, find the value of x. Then find AB and BC.</em>
<em></em>
<em>This should serve as a guide</em>
Answer:
See Explanation
Step-by-step explanation:
Given



Required
Determine x, AB and BC.
Since B is between A and C;

Substitute x for AB; 2x + 2 for BC and 14 for AC


Collect Like Terms

'


Substitute 4 for x in






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Answer: 
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Given: 
Find: 
Solution: It looks like 2 is at the end of the parenthesis where the power would be instead of distributing the number. If so the following steps would be followed.
<u>Expand</u>
<u>Simplify</u>
Therefore, after following the provided information we are able to determine that the expanded form would be 9x^2 - 12x + 4.