Enrhifo
\frac{\left(x+1\right)^{2}}{3}
Ehangu
\frac{x^{2}+2x+1}{3}
Graff
Rhannu
Copïo i clipfwrdd
\frac{1}{3}\left(x^{2}+2x+1\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.
\frac{1}{3}x^{2}+\frac{2}{3}x+\frac{1}{3}
Defnyddio’r briodwedd ddosbarthu i luosi \frac{1}{3} â x^{2}+2x+1.
\frac{1}{3}\left(x^{2}+2x+1\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.
\frac{1}{3}x^{2}+\frac{2}{3}x+\frac{1}{3}
Defnyddio’r briodwedd ddosbarthu i luosi \frac{1}{3} â x^{2}+2x+1.
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