yessy73
02.03.2021 •
Mathematics
-x^2+x+1=0
help please
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Ответ:
= 1 ± √ 5 over 2
Step-by-step explanation:
Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.
Ответ:
A
Step-by-step
because the variable is squared you have to find the square to simplify it.