Enrhifo
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Ehangu
4a^{2}-12ab+9b^{2}
Rhannu
Copïo i clipfwrdd
4a^{2}-12ab+9b^{2}
Defnyddio'r theorem binomaidd \left(p+q\right)^{2}=p^{2}+2pq+q^{2} i ehangu'r \left(-2a+3b\right)^{2}.
4a^{2}-12ab+9b^{2}
Defnyddio'r theorem binomaidd \left(p+q\right)^{2}=p^{2}+2pq+q^{2} i ehangu'r \left(-2a+3b\right)^{2}.
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