Question

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Answer 1

$\bf \pm \sqrt{\cfrac{25}{4}}\implies \pm \cfrac{\sqrt{25}}{\sqrt{4}}\implies \pm \cfrac{\sqrt{5^2}}{\sqrt{2^2}}\implies \pm \cfrac{5}{2}$

Answer 2

25/4 = 6.25 :) also have a great day at school:).