Enrhifo
\left(11x+7y\right)^{2}
Ehangu
121x^{2}+154xy+49y^{2}
Rhannu
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121x^{2}+154xy+49y^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(-11x-7y\right)^{2}.
121x^{2}+154xy+49y^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(-11x-7y\right)^{2}.
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