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AnnyKZ [126]
3 years ago
13

F(x)=0 if f(x)=-8x^2+6x+5

Mathematics
1 answer:
gogolik [260]3 years ago
5 0
Use the quadratic formula
x=(-b(+-) sqrt(b^2-4*a*c))/2a
(-6(+-)sqrt 36-4*-8*5)/-16
x=20/16-(5/4)
x=8/16-(1/2)
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