=" {x}^{2} - 18 < 0" align="absmiddle" class="latex-formula">
1 answer:
Answer
-sqrt(18)<x<sqrt(18)
Step-by-step explanation:
- Factorise:(x-sqrt(18))(x+sqrt(18))<0
- Critical values:-sqrt18 and sqrt18
- Use number line or graphical method
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