Enrhifo
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Ehangu
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Graff
Rhannu
Copïo i clipfwrdd
x^{2}+\frac{4}{3}x+\frac{4}{9}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+\frac{2}{3}\right)^{2}.
x^{2}+\frac{4}{3}x+\frac{4}{9}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+\frac{2}{3}\right)^{2}.
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