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VLD [36.1K]
2 years ago
10

Solve for x: 3x²-243​

Mathematics
1 answer:
mylen [45]2 years ago
7 0

3x²–243=0 —> 3 (x²–81) = 0 —>

x²–81=0 —> (x-9)(x+9)=0

x-9=0 —> x=9

x+9=0 —> x=–9

I hope I helped you^_^

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