Enrhifo
\left(3y^{5}+8\right)^{2}
Ehangu
9y^{10}+48y^{5}+64
Graff
Rhannu
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64+48y^{5}+9\left(y^{5}\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(8+3y^{5}\right)^{2}.
64+48y^{5}+9y^{10}
I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 5 a 2 i gael 10.
64+48y^{5}+9\left(y^{5}\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(8+3y^{5}\right)^{2}.
64+48y^{5}+9y^{10}
I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 5 a 2 i gael 10.
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