They are the roots or zeros. They are also the x-intercepts if they are real numbers.
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the formula you are going to use to answer the equation
x2 + 6x = 16=> x2 + 6x - 16 = 0=> x2 + 8x -2x - 16 = 0=> (x+8)(x-2) = 0=> x = -8 or x = 2So, the solutions of the quadratic equation x2 + 6x = 16 are -8 and 2.
x2+11x+11 = 7x+9 x2+11x-7x+11-9 = 0 x2+4x+2 = 0 The above quadratic equation can be solved by using the quadratic equation formula and it will have two solutions.
-8
Using the quadratic equation formula:- x = -0.5447270865 or x = 2.294727086