![]() Thinking of it graphically, if you are solving a linear equation, such as x-3 = 0, this is equivalent to looking at a line y = x-3 and seeing where it crosses the x axis (where y=0). From the mathematical standpoint, two or more answers just means that there is more than one value for the variable that will solve the equation. ![]() It may interest you to know that the completing the square process for solving quadratic equations was used on the equation ax 2 + bx + c = 0 to derive the quadratic formula.That's a very good question. There is no solution in the real number system.
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