Enrhifo
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Ehangu
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Rhannu
Copïo i clipfwrdd
0.09x^{2}-0.3xy+0.25y^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(0.3x-0.5y\right)^{2}.
0.09x^{2}-0.3xy+0.25y^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(0.3x-0.5y\right)^{2}.
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