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(x-2)(x+4)+9=0
x2+2x+1=0
x2+(1+1)x+1=0
x2+x+x+1=0
x (x+1)+1 (x+1)=0
(x+1)(x+1)=0
x=- 1,- 1
x2+2x+1=0
x2+(1+1)x+1=0
x2+x+x+1=0
x (x+1)+1 (x+1)=0
(x+1)(x+1)=0
x=- 1,- 1
Aadityachhetri:
Thank u so much
well come
Second's solution?
I knew only one solution
Ok
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