Solve the following quadratic equation by factorization
method:
9x2 – 25 = 0.
9x2 – 25 = 0.
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Ans.
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9x2
– 25 = 0
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∴ (3x)2 – 52 =0
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(3x + 5)(3x – 5) = 0
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∴ 3x + 5 = 0 OR
3x – 5 = 0
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∴ x = - 5/3 OR
x = 5/3
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