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Category: Algebra

simplify-z-2-1-z-1-1-z-2-1-1-z-1-z-

Question Number 172515 by Mikenice last updated on 28/Jun/22 $${simplify} \\ $$$$\frac{{z}^{\mathrm{2}} −\mathrm{1}}{{z}−\mathrm{1}}\boldsymbol{\div}\frac{\mathrm{1}}{{z}^{\mathrm{2}} +\mathrm{1}}×\frac{\mathrm{1}}{{z}+\frac{\mathrm{1}}{{z}}} \\ $$ Answered by Rasheed.Sindhi last updated on 28/Jun/22 $$\frac{{z}^{\mathrm{2}} −\mathrm{1}}{{z}−\mathrm{1}}\boldsymbol{\div}\frac{\mathrm{1}}{{z}^{\mathrm{2}}…

solve-a-b-2c-x-2-2a-b-c-x-c-a-2b-0-

Question Number 172511 by Mikenice last updated on 28/Jun/22 $${solve}: \\ $$$$\left({a}+{b}−\mathrm{2}{c}\right){x}^{\mathrm{2}} +\left(\mathrm{2}{a}−{b}−{c}\right){x}+\left({c}+{a}−\mathrm{2}{b}\right)=\mathrm{0} \\ $$ Answered by som(math1967) last updated on 28/Jun/22 $$\left({a}+{b}−\mathrm{2}{c}\right){x}^{\mathrm{2}} +\left({a}+{b}−\mathrm{2}{c}\right){x} \\…