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Problemi Simili mit-Tiftix tal-Web

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\left(x^{5}-7y^{6}\right)\left(x^{5}+7y^{6}\right)
Erġa' ikteb x^{10}-49y^{12} bħala \left(x^{5}\right)^{2}-\left(7y^{6}\right)^{2}. Id-differenza tal-kwadrati tista' tiġi fatturata billi tuża r-regola: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).