Løs [(x+y)+z][(x+y)-z] | Microsoft Problemløser til matematik

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5 problemer svarende til:

Lignende problemer fra websøgning

https://socratic.org/questions/how-do-you-solve-the-system-x-y-z-3-3x-y-z-13-and-3x-y-2z-18

https://socratic.org/questions/how-do-you-solve-using-gaussian-elimination-or-gauss-jordan-elimination-x-y-z-1-

https://www.quora.com/The-line-L-has-equation-4x+2y-3-0-A-perpendicular-line-passes-through-the-point-2-5-What-is-the-y-intercept-of-this-perpendicular-line

https://socratic.org/questions/how-do-you-multiply-x-y-3-x-y-4

https://socratic.org/questions/how-do-you-solve-using-gaussian-elimination-or-gauss-jordan-elimination-x-2y-z-2

https://socratic.org/questions/how-do-you-solve-using-gaussian-elimination-or-gauss-jordan-elimination-x-y-z-3t

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x^{2}+xy-xz+yx+y^{2}-yz+zx+zy-z^{2}

Anvend fordelingsegenskaben ved at gange hvert led i x+y+z med hvert led i x+y-z.

x^{2}+2xy-xz+y^{2}-yz+zx+zy-z^{2}

Kombiner xy og yx for at få 2xy.

x^{2}+2xy+y^{2}-yz+zy-z^{2}

Kombiner -xz og zx for at få 0.

x^{2}+2xy+y^{2}-z^{2}

Kombiner -yz og zy for at få 0.

x^{2}+xy-xz+yx+y^{2}-yz+zx+zy-z^{2}

Anvend fordelingsegenskaben ved at gange hvert led i x+y+z med hvert led i x+y-z.

x^{2}+2xy-xz+y^{2}-yz+zx+zy-z^{2}

Kombiner xy og yx for at få 2xy.

x^{2}+2xy+y^{2}-yz+zy-z^{2}

Kombiner -xz og zx for at få 0.

x^{2}+2xy+y^{2}-z^{2}

Kombiner -yz og zy for at få 0.

Eksempler

Kvadratisk ligning

Lineær ligning

Samtidig ligning

Differentiering