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5. Factor: x² - 4x-21
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5. Factor: x² - 4x-21

User Lfk
by
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2 Answers

5 votes
The answer is x² - 25

first you have to subtract the x² - 4x-21. And you get this x² - 25


User Dick Chesterwood
by
6.0k points
2 votes

Answer:

(x - 7) (x + 3)

Explanation:

User Mesx
by
5.3k points
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Can someone help me with 5??? ASAP?
Solve for h 3h=7(2/7-3/7h)-10
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