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Lisa [10]
2 years ago
8

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

Mathematics
2 answers:
V125BC [204]2 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]2 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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