What are the solutions of #x^2+14x=-49#?

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Answer 1 · 2016-10-31T20:09:29

x=-7

#x^2+14x=-49#

Add 49 to both sides of the equation.

#x^2+14x+49=0#

Factorise:

#(x+7)(x+7)=0#

Now, when #x=-7,# you get 0.

This means that your answer is:

x=-7 .