Category: Algebra

Question Number 157332 by cortano last updated on 22/Oct/21 Answered by Rasheed.Sindhi last updated on 22/Oct/21 $$6x-y=7m\Rightarrow y=6x-7m$$$$P\left(x\right)=54x^2+3xy-2y^2+z+2021$$$$=\mathrm{54}{x}^{\mathrm{2}} +\mathrm{3}{x}\left(\mathrm{6}{x}−\mathrm{7}{m}\right)−\mathrm{2}\left(\mathrm{6}{x}−\mathrm{7}{m}\right)^{\mathrm{2}} +{z}+\mathrm{2021}…

Question Number 91786 by john santu last updated on 03/May/20 $$repostquestionfrom$$$$mrjagoll$$$$\{\begin{array}{l}2+6y=\frac{x}{y}-\sqrt{x-2y}\\ \sqrt{x+\sqrt{x-2y}}=x+3y-2\end{array}$$ Commented by john santu last updated on 03/May/20…

Question Number 26235 by ajfour last updated on 22/Dec/17 $$Findtherealrootof$$$$x^2+\frac{1}{x}=c.$$ Answered by mrW1 last updated on 22/Dec/17 $$x\ne 0$$$${x}^{\mathrm{3}}…

Question Number 26227 by ktomboy1992 last updated on 23/Dec/17 $$\mathrm{if}{\mathrm{x}}^2+\frac{1}{{\mathrm{x}}^2}=98\mathrm{find}{\mathrm{x}}^3+\frac{1}{{\mathrm{x}}^3}$$ Answered by $@ty@mlastupdatedon22/Dec/17$${x}^{\mathrm{2}} +\frac{\mathrm{1}}{{x}^{\mathrm{2}}…

Question Number 26224 by ktomboy1992 last updated on 22/Dec/17 $$\mathrm{find}\mathrm{the}\mathrm{value}\mathrm{of}\mathrm{x}-\frac{1}{\mathrm{x}}.\mathrm{when}{x}^4+\frac{1}{{\mathrm{x}}^4}=332$$ Commented by kaivan.ahmadi last updated on 22/Dec/17 $$\mathrm{x}^{\mathrm{4}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{4}} }=\left(\mathrm{x}^{\mathrm{2}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}}…