Question

$(x + 30)(x + 30)$
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Answer 1

$(x + 30)(x + 30)$

$= {x}^{2} + 60x + 900$

It could have been Quadratic equation if the given equation was

$(x + 30)(x + 30) = 0$

Assuming it to be Quadratic, the solution of equation is:

$x = - 30$

Thus the equation has a Unique solution.