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Problemi Simili mit-Tiftix tal-Web

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\left(5x-1\right)\left(5x+1\right)
Erġa' ikteb 25x^{2}-1 bħala \left(5x\right)^{2}-1^{2}. Id-differenza tal-kwadrati tista' tiġi fatturata billi tuża r-regola: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).