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funkcji , wiec jego wspolrzedne spelniaja
to rownanie
0= -4*(-2)²-3*(-2)+2m
0= -4*4 + 6 + 2m
0= -16 + 6 + 2m
0= -10 + 2m
10=2m/:2
m=5
f(-2) = 0
(-4) * (-2)² - 3 * (-2) + 2m = 0
(-4) * 4 + 6 + 2m = 0
-16 + 6 + 2m = 0
2m = 10 //:2
m = 5