Question

help meh It's due in 5 minutes ///

$5 {x}^{2} = 20$
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Answer 1

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• $5 {x}^{2} = 20$

• ${x}^{2} = 20 \div 5$

• ${x}^{2} = 4$

• $x = \pm2$

Answer 2

Solution:

$5 {x}^{2} = 20 \\ = > {x}^{2} = \frac{20}{5} \\ = > {x}^{2} = 4 \\ = > x = \sqrt{4} \\ = > x = \sqrt{2 \times 2} \\ = > x = \sqrt{ {2}^{2} } \\ = > x = ±2$

Answer:

±2