<img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20-%2018%20%3C%200" id="TexFormula1" title=" {x}^{2}

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Xelga [282]

3 years ago

=" {x}^{2} - 18 < 0" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

NARA [144]3 years ago

8 0

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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