Solve 81a^2-121b^2 - ScanMath

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Type your math problem... 81a^2-121b^2

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Question

Factor the expression

(9 a - 11 b) (9 a + 11 b)

Evaluate

81 a^{2} - 121 b^{2}

Rewrite the expression in exponential form

(9 a)^{2} - (11 b)^{2}

Solution

(9 a - 11 b) (9 a + 11 b)

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