3 years ago

WILL GET BRAILIEST FOR CORRECT ANSWER

Mathematics

1 answer:

Alex Ar [27]3 years ago

5 0

Answer:

x = ± $\sqrt{20}$

Step-by-step explanation:

Given

x² = 20 ( take the square root of both sides )

x = ± $\sqrt{20}$

which can be simplified to

x = ± 2 $\sqrt{5}$

[ ± means plus or minus ]

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