Enrhifo
5\left(x-9\right)^{2}
Ehangu
5x^{2}-90x+405
Graff
Rhannu
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5\left(x-9\right)^{2}
Lluosi x-9 a x-9 i gael \left(x-9\right)^{2}.
5\left(x^{2}-18x+81\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-9\right)^{2}.
5x^{2}-90x+405
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x^{2}-18x+81.
5\left(x-9\right)^{2}
Lluosi x-9 a x-9 i gael \left(x-9\right)^{2}.
5\left(x^{2}-18x+81\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-9\right)^{2}.
5x^{2}-90x+405
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x^{2}-18x+81.
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