Solve x^2=18 where x is a real number

Mathematics

2 answers:

V125BC [204]3 years ago

6 0

Answer:

x = ±3√2

or in decimal:

x = ±4.24

Step-by-step explanation:

x² = 18

x = ±√18

= ±√2√9

= ±3√2

docker41 [41]3 years ago

3 0

Answer:

x = ± 3 $\sqrt{2}$

Step-by-step explanation:

Given

x² = 18 ( take the square root of both sides )

x = ± $\sqrt{18}$ = ± $\sqrt{9(2)}$ = ± 3 $\sqrt{2}$

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