Enrhifo
13h^{2}-10hk+k^{2}
Ehangu
13h^{2}-10hk+k^{2}
Rhannu
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h^{2}-2hk+k^{2}-4h\left(2k-3h\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(h-k\right)^{2}.
h^{2}-2hk+k^{2}-8hk+12h^{2}
Defnyddio’r briodwedd ddosbarthu i luosi -4h â 2k-3h.
h^{2}-10hk+k^{2}+12h^{2}
Cyfuno -2hk a -8hk i gael -10hk.
13h^{2}-10hk+k^{2}
Cyfuno h^{2} a 12h^{2} i gael 13h^{2}.
h^{2}-2hk+k^{2}-4h\left(2k-3h\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(h-k\right)^{2}.
h^{2}-2hk+k^{2}-8hk+12h^{2}
Defnyddio’r briodwedd ddosbarthu i luosi -4h â 2k-3h.
h^{2}-10hk+k^{2}+12h^{2}
Cyfuno -2hk a -8hk i gael -10hk.
13h^{2}-10hk+k^{2}
Cyfuno h^{2} a 12h^{2} i gael 13h^{2}.
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