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GalinKa [24]
3 years ago
5

Solve the inequality x^2 - x - 12 <0

Mathematics
2 answers:
pychu [463]3 years ago
8 0

Answer:

X<12

Step-by-step explanation:

x² - x - 12 <0 any number without a power is to power 1.

x² - x^1 - 12<0

x^1 - 12 <0

x - 12 <0 any to the power 1 is that same number example p^1=p

x - 12 + 12<0 + 12

x<12

nikitadnepr [17]3 years ago
4 0

Answer:

x( - 3and4)

x {}^{2}  - x - 12 = 0 \\ x =  \frac{ - ( - 1) +  \sqrt{( - 1) {}^{2} - 4 \times 1( - 12) } }{?2}  \\ x =  \frac{1 + 7}{2}  \\ x = 4 \\ x =  - 3 \\ (x - 4)(x + 3) < 0 \\ x - 4 > 0 \\ x + 3 < 0 \\ xe0 \\ x + 3 > 0 \\ x - 4 < 0 \\  \: de \: solution \: satisfying \: both \: enquities \: is \: x( - 3and4)

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