Enrhifo
\frac{7x^{2}+11x+2}{\left(x+1\right)\left(x+2\right)}
Ehangu
\frac{7x^{2}+11x+2}{\left(x+1\right)\left(x+2\right)}
Graff
Rhannu
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\frac{\left(3x+1\right)\left(x+2\right)}{\left(x+1\right)\left(x+2\right)}+\frac{4x\left(x+1\right)}{\left(x+1\right)\left(x+2\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin x+1 a x+2 yw \left(x+1\right)\left(x+2\right). Lluoswch \frac{3x+1}{x+1} â \frac{x+2}{x+2}. Lluoswch \frac{4x}{x+2} â \frac{x+1}{x+1}.
\frac{\left(3x+1\right)\left(x+2\right)+4x\left(x+1\right)}{\left(x+1\right)\left(x+2\right)}
Gan fod gan \frac{\left(3x+1\right)\left(x+2\right)}{\left(x+1\right)\left(x+2\right)} a \frac{4x\left(x+1\right)}{\left(x+1\right)\left(x+2\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{3x^{2}+6x+x+2+4x^{2}+4x}{\left(x+1\right)\left(x+2\right)}
Gwnewch y gwaith lluosi yn \left(3x+1\right)\left(x+2\right)+4x\left(x+1\right).
\frac{7x^{2}+11x+2}{\left(x+1\right)\left(x+2\right)}
Cyfuno termau tebyg yn 3x^{2}+6x+x+2+4x^{2}+4x.
\frac{7x^{2}+11x+2}{x^{2}+3x+2}
Ehangu \left(x+1\right)\left(x+2\right).
\frac{\left(3x+1\right)\left(x+2\right)}{\left(x+1\right)\left(x+2\right)}+\frac{4x\left(x+1\right)}{\left(x+1\right)\left(x+2\right)}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluosrif lleiaf cyffredin x+1 a x+2 yw \left(x+1\right)\left(x+2\right). Lluoswch \frac{3x+1}{x+1} â \frac{x+2}{x+2}. Lluoswch \frac{4x}{x+2} â \frac{x+1}{x+1}.
\frac{\left(3x+1\right)\left(x+2\right)+4x\left(x+1\right)}{\left(x+1\right)\left(x+2\right)}
Gan fod gan \frac{\left(3x+1\right)\left(x+2\right)}{\left(x+1\right)\left(x+2\right)} a \frac{4x\left(x+1\right)}{\left(x+1\right)\left(x+2\right)} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{3x^{2}+6x+x+2+4x^{2}+4x}{\left(x+1\right)\left(x+2\right)}
Gwnewch y gwaith lluosi yn \left(3x+1\right)\left(x+2\right)+4x\left(x+1\right).
\frac{7x^{2}+11x+2}{\left(x+1\right)\left(x+2\right)}
Cyfuno termau tebyg yn 3x^{2}+6x+x+2+4x^{2}+4x.
\frac{7x^{2}+11x+2}{x^{2}+3x+2}
Ehangu \left(x+1\right)\left(x+2\right).
Enghreifftiau
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}