Enrhifo
16\left(x+2y\right)^{2}
Ehangu
16x^{2}+64xy+64y^{2}
Rhannu
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16x^{2}+64xy+64y^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(-4x-8y\right)^{2}.
16x^{2}+64xy+64y^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(-4x-8y\right)^{2}.
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