isabelsmhl
09.11.2020 •
Mathematics
What are the solution(s) of x2-4-0?
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Ответ:
-2,2
Step-by-step explanation:
x^2-4-0
(x+2)(x-2)
x+2=0
x=-2
x-2=0
x=2
Ответ:
.8-.4=.4 and .12-.8=.4
Step-by-step explanation: