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Archy [21]
4 years ago
13

1) Given the following equation

Mathematics
1 answer:
andrey2020 [161]4 years ago
8 0

f(x)=x*2+5x-4

f(x)-x*2-5x+4=0

(f-5)x-x*2+4=0

-x*2+(f-5)x+4=0

x*2-(f-5)x-4=0

d=(-(f-5))*2-4(1)(-4)

d=f*2-10f+41

2 real solutions

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