Evalwa
\frac{\left(x-3\right)\left(x-1\right)}{\left(x+1\right)\left(x+4\right)}
Espandi
\frac{x^{2}-4x+3}{\left(x+1\right)\left(x+4\right)}
Graff
Sehem
Ikkupjat fuq il-klibbord
\frac{3x^{2}-1}{x^{2}+5x+4}-\frac{2x}{x+1}+\frac{4}{x+4}
Naqqas 5 minn 4 biex tikseb -1.
\frac{3x^{2}-1}{\left(x+1\right)\left(x+4\right)}-\frac{2x}{x+1}+\frac{4}{x+4}
Iffattura x^{2}+5x+4.
\frac{3x^{2}-1}{\left(x+1\right)\left(x+4\right)}-\frac{2x\left(x+4\right)}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' \left(x+1\right)\left(x+4\right) u x+1 huwa \left(x+1\right)\left(x+4\right). Immultiplika \frac{2x}{x+1} b'\frac{x+4}{x+4}.
\frac{3x^{2}-1-2x\left(x+4\right)}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Billi \frac{3x^{2}-1}{\left(x+1\right)\left(x+4\right)} u \frac{2x\left(x+4\right)}{\left(x+1\right)\left(x+4\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
\frac{3x^{2}-1-2x^{2}-8x}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Agħmel il-multiplikazzjonijiet fi 3x^{2}-1-2x\left(x+4\right).
\frac{x^{2}-1-8x}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Ikkombina termini simili f'3x^{2}-1-2x^{2}-8x.
\frac{x^{2}-1-8x}{\left(x+1\right)\left(x+4\right)}+\frac{4\left(x+1\right)}{\left(x+1\right)\left(x+4\right)}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' \left(x+1\right)\left(x+4\right) u x+4 huwa \left(x+1\right)\left(x+4\right). Immultiplika \frac{4}{x+4} b'\frac{x+1}{x+1}.
\frac{x^{2}-1-8x+4\left(x+1\right)}{\left(x+1\right)\left(x+4\right)}
Billi \frac{x^{2}-1-8x}{\left(x+1\right)\left(x+4\right)} u \frac{4\left(x+1\right)}{\left(x+1\right)\left(x+4\right)} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.
\frac{x^{2}-1-8x+4x+4}{\left(x+1\right)\left(x+4\right)}
Agħmel il-multiplikazzjonijiet fi x^{2}-1-8x+4\left(x+1\right).
\frac{x^{2}+3-4x}{\left(x+1\right)\left(x+4\right)}
Ikkombina termini simili f'x^{2}-1-8x+4x+4.
\frac{x^{2}+3-4x}{x^{2}+5x+4}
Espandi \left(x+1\right)\left(x+4\right).
\frac{3x^{2}-1}{x^{2}+5x+4}-\frac{2x}{x+1}+\frac{4}{x+4}
Naqqas 5 minn 4 biex tikseb -1.
\frac{3x^{2}-1}{\left(x+1\right)\left(x+4\right)}-\frac{2x}{x+1}+\frac{4}{x+4}
Iffattura x^{2}+5x+4.
\frac{3x^{2}-1}{\left(x+1\right)\left(x+4\right)}-\frac{2x\left(x+4\right)}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' \left(x+1\right)\left(x+4\right) u x+1 huwa \left(x+1\right)\left(x+4\right). Immultiplika \frac{2x}{x+1} b'\frac{x+4}{x+4}.
\frac{3x^{2}-1-2x\left(x+4\right)}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Billi \frac{3x^{2}-1}{\left(x+1\right)\left(x+4\right)} u \frac{2x\left(x+4\right)}{\left(x+1\right)\left(x+4\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
\frac{3x^{2}-1-2x^{2}-8x}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Agħmel il-multiplikazzjonijiet fi 3x^{2}-1-2x\left(x+4\right).
\frac{x^{2}-1-8x}{\left(x+1\right)\left(x+4\right)}+\frac{4}{x+4}
Ikkombina termini simili f'3x^{2}-1-2x^{2}-8x.
\frac{x^{2}-1-8x}{\left(x+1\right)\left(x+4\right)}+\frac{4\left(x+1\right)}{\left(x+1\right)\left(x+4\right)}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' \left(x+1\right)\left(x+4\right) u x+4 huwa \left(x+1\right)\left(x+4\right). Immultiplika \frac{4}{x+4} b'\frac{x+1}{x+1}.
\frac{x^{2}-1-8x+4\left(x+1\right)}{\left(x+1\right)\left(x+4\right)}
Billi \frac{x^{2}-1-8x}{\left(x+1\right)\left(x+4\right)} u \frac{4\left(x+1\right)}{\left(x+1\right)\left(x+4\right)} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.
\frac{x^{2}-1-8x+4x+4}{\left(x+1\right)\left(x+4\right)}
Agħmel il-multiplikazzjonijiet fi x^{2}-1-8x+4\left(x+1\right).
\frac{x^{2}+3-4x}{\left(x+1\right)\left(x+4\right)}
Ikkombina termini simili f'x^{2}-1-8x+4x+4.
\frac{x^{2}+3-4x}{x^{2}+5x+4}
Espandi \left(x+1\right)\left(x+4\right).
Eżempji
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Ekwazzjoni lineari
y = 3x + 4
Aritmetika
699 * 533
Matriċi
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Ekwazzjoni simultanja
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differenzazzjoni
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integrazzjoni
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limiti
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}