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Solve: x^2 + 6x > 27

2 Answers

6 votes

Answer:

x<-9 or x>3

Explanation:

User Oto Brglez
by
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3 votes

Good evening ,

Answer:

x<-9 or x>3.

Explanation:

x^2 + 6x > 27 ⇌ (x+3)² - 9 >27 ⇌ (x+3)² -36 > 0

⇌ (x+3)² - 6² > 0 ⇌ (x+3-6)×(x+3+6) > 0 ⇌ (x-3)×(x+9) > 0

⇌ x<-9 or x>3.

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Solve: x^2 + 6x > 27-example-1
User Eodgooch
by
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