Ehangu
9m^{2}+42m+49
Enrhifo
\left(3m+7\right)^{2}
Rhannu
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9m^{2}+42m+49
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(3m+7\right)^{2}.
9m^{2}+42m+49
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(3m+7\right)^{2}.
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