potaetoo6879
24.04.2021 •
Mathematics
X^2 + 2x - 1
use spiting the middle term ..
with steps i need..
best answer will be taken as brainlist answer..
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Ответ:
x^2+2x+1=0
x^2+(1+1)X+1=0
x^2+X+X+1=0
X(X+1)+1(X+1)=0
(X+1)(X+1)=0
X=-1,X=-1
Ответ:
The answer is 114.33π or 359.19