Find the discriminant and determine the number of real solutions
x2 - 3 = 7 which is squared minus 3x = 7 change to
x2 -3x -7 = 0
(x - 3)(x + )
Once this is complete what determines real solution
Consider the general quadratic equation ax^2 + bx + c = 0. The discriminant of this equation is given by b^2 - ...
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