Question

using square method solve x²+4x-5=0​

Answer 1

Answer:

here's your answer

Step-by-step explanation:

We divide b by two. ⇒b2=−2 square the answer. ⇒(x2−4x+4)−5=0 Since we add four to the original equation, we need to adjust it by subtracting it by four. ⇒(x−2)=±√9 don't forget the ± !

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