Enrhifo
\left(x^{2}+4\right)^{2}
Ehangu
x^{4}+8x^{2}+16
Graff
Rhannu
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\left(x^{2}+4\right)^{2}
Cyfrifo 2 i bŵer 2 a chael 4.
\left(x^{2}\right)^{2}+8x^{2}+16
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x^{2}+4\right)^{2}.
x^{4}+8x^{2}+16
I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 2 a 2 i gael 4.
\left(x^{2}+4\right)^{2}
Cyfrifo 2 i bŵer 2 a chael 4.
\left(x^{2}\right)^{2}+8x^{2}+16
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x^{2}+4\right)^{2}.
x^{4}+8x^{2}+16
I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 2 a 2 i gael 4.
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