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Problemi Simili mit-Tiftix tal-Web

Sehem

\left(5+r-g\right)\left(5+r+g\right)
Erġa' ikteb r^{2}+10r+25-g^{2} bħala \left(5+r\right)^{2}-g^{2}. Id-differenza tal-kwadrati tista' tiġi fatturata billi tuża r-regola: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\left(r-g+5\right)\left(r+g+5\right)
Erġa' ordna t-termini.