Ehangu
4x^{2}+28xy+49y^{2}
Enrhifo
\left(2x+7y\right)^{2}
Rhannu
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4x^{2}+28xy+49y^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+7y\right)^{2}.
4x^{2}+28xy+49y^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+7y\right)^{2}.
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