Question

if 3x+3x+3x=729 the value of x^2is
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Answer 1

Answer:

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Step-by-step explanation:

3x=729

=3×3×3×3×3×3=36

∴x=6

3x=729

=3×3×3×3×3×3=36

∴x=6

Answer 2

Answer:

(6561)

Step-by-step explanation:

$3x + 3x + 3x = 729 \\ > 9x = 729 \\ > x = \frac{729}{9} \\ > x = 81 \\ \\ then > \\ \: {x}^{2} = {81}^{2} = 6561$

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