Math, asked by ssunita30061981, 9 months ago

3x^2-243=?(Factorise)

Answers

Answered by desaipreet2105

1

Answer:

Step-by-step explanation:

3x²-243=0
3x²=243
x²=243/3
x²=81
x= $\sqrt{81}$
x=-9 or +9

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