By any method, determine all possible real solutions of each equation in Exercises 13–30. Check your answers by substitution.
To calculate: The all real solutions in the quadratic equation .
The provided quadratic equation is .
The value of in the equation can be given by the quadratic formula,
where and are real numbers with .
Consider the quadratic equation .
Subtract from both sides in the above equation,
Compare the above equation with the equation ,
Put the values of in the quadratic formula .
Substitute the value of in
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