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Solve the quadratic equation 3xsq.-243=0

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Solve the quadratic equation 3xsq.-243=0

Posted by Anupama ?? 5 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Geeta Jadav 5 years, 3 months ago

3x^2-243=0 X^2-81=0 X^2-9^2=0 (a^2-b^2)=(a-b)(a+b) (X-9)(x+9)=0 x-9=0,x+9=0 x=9,x=-9

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CBSE > Class 10 > Mathematics