Question

Does (x - 1)2 + 2(x + 1) = 0 have a real root? Justify you answer
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Answer 1

Answer. No, since the equation is simplified to x2 + 3 = 0 whose discriminant is less than zero.

Answer 2

Answer:

x=0 is the solution

Step-by-step explanation:

to justify you can solve the question

and you will get a real root