Content The Concept Of A Function Solution for X2y2=25 equation X2X2=25 We move all terms to the left X2X2(25)=0 We add all the numbers together, and all the variables 2X^225=0 a = 2;Extended Keyboard Examples Upload Random Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music WolframAlpha brings expertlevel knowledge Graph of x^2+y^2-25=0