Question

Me ajudem com essa conta pfvr
X= -b = √b² - 4ac
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2

Sendo
A= 1
B= 4
C= -5

Answer 1

X=±b=√b²-4ac/2a

x=±4=√4²-4.1.-5/2

x=±4=√16-20/2

x=±4=√-4/2

x1=4+4/2=6

X2=4-4/2=2