lillymt1023
21.08.2020 •
Mathematics
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Ответ:
x=-5
so ( -5,0) is the answer
Step-by-step explanation:
y = 2* (x^2+4x -5)
x^2+4x+4-9=0
(x+2)^2-9=0
(x+2)^2=9
x+2=-3
x=-3-2
x=-5
Ответ:
subtract 9 both sides -4 = -k -12 then ad 12 both sides , 8 = -k
Step-by-step explanation: