Enrhifo
\left(x+1\right)^{3}
Ehangu
x^{3}+3x^{2}+3x+1
Graff
Rhannu
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\left(x+1\right)^{2}\left(x+1\right)
Lluosi x+1 a x+1 i gael \left(x+1\right)^{2}.
\left(x+1\right)^{3}
Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch 2 a 1 i gael 3.
x^{3}+3x^{2}+3x+1
Defnyddio'r theorem binomaidd \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} i ehangu'r \left(x+1\right)^{3}.
\left(x+1\right)^{2}\left(x+1\right)
Lluosi x+1 a x+1 i gael \left(x+1\right)^{2}.
\left(x+1\right)^{3}
Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch 2 a 1 i gael 3.
x^{3}+3x^{2}+3x+1
Defnyddio'r theorem binomaidd \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} i ehangu'r \left(x+1\right)^{3}.
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