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Eve Howell
Mathematics
3 September, 03:14
Solve the inequality 2x2 + 10x < - 8
+2
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1
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Emilia Donaldson
3 September, 03:42
0
-4
Step-by-step explanation:
To solve the problem, we divide the whole expression by 2:
2x^2 + 10x < - 8 → x^2 + 5x < - 4
→ x^2 + 5x + 4 < 0
Factorizing
→ (x+4) (x+1) < 0
The expression is ONLY negative when:
x>-4 and x<-1
Therefore, the solution is:
-4
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