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\frac{4x\left(x+4\right)}{\left(x+4\right)\left(x+9\right)}-\frac{\left(x+1\right)\left(x+9\right)}{\left(x+4\right)\left(x+9\right)}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' x+9 u x+4 huwa \left(x+4\right)\left(x+9\right). Immultiplika \frac{4x}{x+9} b'\frac{x+4}{x+4}. Immultiplika \frac{x+1}{x+4} b'\frac{x+9}{x+9}.
\frac{4x\left(x+4\right)-\left(x+1\right)\left(x+9\right)}{\left(x+4\right)\left(x+9\right)}
Billi \frac{4x\left(x+4\right)}{\left(x+4\right)\left(x+9\right)} u \frac{\left(x+1\right)\left(x+9\right)}{\left(x+4\right)\left(x+9\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
\frac{4x^{2}+16x-x^{2}-9x-x-9}{\left(x+4\right)\left(x+9\right)}
Agħmel il-multiplikazzjonijiet fi 4x\left(x+4\right)-\left(x+1\right)\left(x+9\right).
\frac{3x^{2}+6x-9}{\left(x+4\right)\left(x+9\right)}
Ikkombina termini simili f'4x^{2}+16x-x^{2}-9x-x-9.
\frac{3x^{2}+6x-9}{x^{2}+13x+36}
Espandi \left(x+4\right)\left(x+9\right).
\frac{4x\left(x+4\right)}{\left(x+4\right)\left(x+9\right)}-\frac{\left(x+1\right)\left(x+9\right)}{\left(x+4\right)\left(x+9\right)}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. L-inqas multiplu komuni ta' x+9 u x+4 huwa \left(x+4\right)\left(x+9\right). Immultiplika \frac{4x}{x+9} b'\frac{x+4}{x+4}. Immultiplika \frac{x+1}{x+4} b'\frac{x+9}{x+9}.
\frac{4x\left(x+4\right)-\left(x+1\right)\left(x+9\right)}{\left(x+4\right)\left(x+9\right)}
Billi \frac{4x\left(x+4\right)}{\left(x+4\right)\left(x+9\right)} u \frac{\left(x+1\right)\left(x+9\right)}{\left(x+4\right)\left(x+9\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
\frac{4x^{2}+16x-x^{2}-9x-x-9}{\left(x+4\right)\left(x+9\right)}
Agħmel il-multiplikazzjonijiet fi 4x\left(x+4\right)-\left(x+1\right)\left(x+9\right).
\frac{3x^{2}+6x-9}{\left(x+4\right)\left(x+9\right)}
Ikkombina termini simili f'4x^{2}+16x-x^{2}-9x-x-9.
\frac{3x^{2}+6x-9}{x^{2}+13x+36}
Espandi \left(x+4\right)\left(x+9\right).