Math, asked by ssunita30061981, 5 months ago

3x^2-243=?(Factorise)​

Answers

Answered by desaipreet2105
1

Answer:

Step-by-step explanation:

  1. 3x²-243=0
  2. 3x²=243
  3. x²=243/3
  4. x²=81
  5. x=\sqrt{81}
  6. x=-9 or +9
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