Enrhifo
2\left(a-b\right)^{2}+3\left(3b+4\right)^{2}+6
Ehangu
2a^{2}-4ab+29b^{2}+72b+54
Rhannu
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3\left(16+24b+9b^{2}+2\right)+2\left(a-b\right)^{2}
Defnyddio'r theorem binomaidd \left(p+q\right)^{2}=p^{2}+2pq+q^{2} i ehangu'r \left(4+3b\right)^{2}.
3\left(18+24b+9b^{2}\right)+2\left(a-b\right)^{2}
Adio 16 a 2 i gael 18.
54+72b+27b^{2}+2\left(a-b\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 3 â 18+24b+9b^{2}.
54+72b+27b^{2}+2\left(a^{2}-2ab+b^{2}\right)
Defnyddio'r theorem binomaidd \left(p-q\right)^{2}=p^{2}-2pq+q^{2} i ehangu'r \left(a-b\right)^{2}.
54+72b+27b^{2}+2a^{2}-4ab+2b^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 2 â a^{2}-2ab+b^{2}.
54+72b+29b^{2}+2a^{2}-4ab
Cyfuno 27b^{2} a 2b^{2} i gael 29b^{2}.
3\left(16+24b+9b^{2}+2\right)+2\left(a-b\right)^{2}
Defnyddio'r theorem binomaidd \left(p+q\right)^{2}=p^{2}+2pq+q^{2} i ehangu'r \left(4+3b\right)^{2}.
3\left(18+24b+9b^{2}\right)+2\left(a-b\right)^{2}
Adio 16 a 2 i gael 18.
54+72b+27b^{2}+2\left(a-b\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 3 â 18+24b+9b^{2}.
54+72b+27b^{2}+2\left(a^{2}-2ab+b^{2}\right)
Defnyddio'r theorem binomaidd \left(p-q\right)^{2}=p^{2}-2pq+q^{2} i ehangu'r \left(a-b\right)^{2}.
54+72b+27b^{2}+2a^{2}-4ab+2b^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 2 â a^{2}-2ab+b^{2}.
54+72b+29b^{2}+2a^{2}-4ab
Cyfuno 27b^{2} a 2b^{2} i gael 29b^{2}.
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