Question

3x²-243=0
quadratic boltey​

Answer 1

Answer:

$3 {x}^{2} - 243 = 0 \\ \\ 3 {x}^{2} = 243 \\ \\ {x}^{2} = \frac{243}{3} \\ \\ {x}^{2} = 81 \\ \\ x = 9 \\ \\ x = - 9$

Answer 2

,

3²-243=0

Step-by-step explanation:

,

3²=243

²=243/3

²=81

=√81

,

=9

: x=9

Hope this answer helps you.

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