Question

solve the quadratic equation
${x}^{2} + 2x - 1$
​

Answer 1

Answer:

X^+2x-1=0

X^+1X+1x-1=0

X(X+1)-1(X+1)=0

(X+1)(x-1)=0

X+1=0 or x-1=0

X=-1 or X=1

I hope understand you

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