You purchase 4 videos. the original price of each video is x dollars. you decide to purchase the limited edition versions of the videos for an additional cost. your total cost is (4x + 20) dollars. what can you conclude about the additional cost of the limited edition version of a video?

You purchase 4 videos

The original price of each video is x dollars

You decide to purchase the limited edition versions of the videos for an additional cost

Your total cost is (4x + 20) dollars

So, total additional cost is $20

since, we are purchasing 4 videos

so, additional cost in each videos is

So, limited edition cost additional $5 per videos.........Answer

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

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