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\frac{x^{2}}{3}
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\frac{x^{2}}{3}
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\frac{x^{2}+7x+12}{\left(x+1\right)\left(x-1\right)}\times \frac{x^{2}\left(1+x\right)}{x+4}\times \frac{x-1}{3\left(x+3\right)}
Defnyddio’r briodwedd ddosbarthu i luosi x+3 â x+4 a chyfuno termau tebyg.
\frac{x^{2}+7x+12}{x^{2}-1}\times \frac{x^{2}\left(1+x\right)}{x+4}\times \frac{x-1}{3\left(x+3\right)}
Ystyriwch \left(x+1\right)\left(x-1\right). Gellir trawsnewid lluosi yn wahaniaeth rhwng sgwariau drwy ddefnyddio’r rheol: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. Sgwâr 1.
\frac{x^{2}+7x+12}{x^{2}-1}\times \frac{x^{2}+x^{3}}{x+4}\times \frac{x-1}{3\left(x+3\right)}
Defnyddio’r briodwedd ddosbarthu i luosi x^{2} â 1+x.
\frac{x^{2}+7x+12}{x^{2}-1}\times \frac{x^{2}+x^{3}}{x+4}\times \frac{x-1}{3x+9}
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x+3.
\frac{\left(x^{2}+7x+12\right)\left(x^{2}+x^{3}\right)}{\left(x^{2}-1\right)\left(x+4\right)}\times \frac{x-1}{3x+9}
Lluoswch \frac{x^{2}+7x+12}{x^{2}-1} â \frac{x^{2}+x^{3}}{x+4} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.
\frac{\left(x^{2}+7x+12\right)\left(x^{2}+x^{3}\right)\left(x-1\right)}{\left(x^{2}-1\right)\left(x+4\right)\left(3x+9\right)}
Lluoswch \frac{\left(x^{2}+7x+12\right)\left(x^{2}+x^{3}\right)}{\left(x^{2}-1\right)\left(x+4\right)} â \frac{x-1}{3x+9} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.
\frac{\left(x-1\right)\left(x+1\right)\left(x+3\right)\left(x+4\right)x^{2}}{3\left(x-1\right)\left(x+1\right)\left(x+3\right)\left(x+4\right)}
Dylech ffactoreiddio'r mynegiadau sydd heb eu ffactoreiddio eto.
\frac{x^{2}}{3}
Canslo \left(x-1\right)\left(x+1\right)\left(x+3\right)\left(x+4\right) yn y rhifiadur a'r enwadur.
\frac{x^{2}+7x+12}{\left(x+1\right)\left(x-1\right)}\times \frac{x^{2}\left(1+x\right)}{x+4}\times \frac{x-1}{3\left(x+3\right)}
Defnyddio’r briodwedd ddosbarthu i luosi x+3 â x+4 a chyfuno termau tebyg.
\frac{x^{2}+7x+12}{x^{2}-1}\times \frac{x^{2}\left(1+x\right)}{x+4}\times \frac{x-1}{3\left(x+3\right)}
Ystyriwch \left(x+1\right)\left(x-1\right). Gellir trawsnewid lluosi yn wahaniaeth rhwng sgwariau drwy ddefnyddio’r rheol: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. Sgwâr 1.
\frac{x^{2}+7x+12}{x^{2}-1}\times \frac{x^{2}+x^{3}}{x+4}\times \frac{x-1}{3\left(x+3\right)}
Defnyddio’r briodwedd ddosbarthu i luosi x^{2} â 1+x.
\frac{x^{2}+7x+12}{x^{2}-1}\times \frac{x^{2}+x^{3}}{x+4}\times \frac{x-1}{3x+9}
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x+3.
\frac{\left(x^{2}+7x+12\right)\left(x^{2}+x^{3}\right)}{\left(x^{2}-1\right)\left(x+4\right)}\times \frac{x-1}{3x+9}
Lluoswch \frac{x^{2}+7x+12}{x^{2}-1} â \frac{x^{2}+x^{3}}{x+4} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.
\frac{\left(x^{2}+7x+12\right)\left(x^{2}+x^{3}\right)\left(x-1\right)}{\left(x^{2}-1\right)\left(x+4\right)\left(3x+9\right)}
Lluoswch \frac{\left(x^{2}+7x+12\right)\left(x^{2}+x^{3}\right)}{\left(x^{2}-1\right)\left(x+4\right)} â \frac{x-1}{3x+9} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.
\frac{\left(x-1\right)\left(x+1\right)\left(x+3\right)\left(x+4\right)x^{2}}{3\left(x-1\right)\left(x+1\right)\left(x+3\right)\left(x+4\right)}
Dylech ffactoreiddio'r mynegiadau sydd heb eu ffactoreiddio eto.
\frac{x^{2}}{3}
Canslo \left(x-1\right)\left(x+1\right)\left(x+3\right)\left(x+4\right) yn y rhifiadur a'r enwadur.
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