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Romashka-Z-Leto [24]
4 years ago
9

Which equation shows the quadratic formula used correctly to solve 7x^2=9+x?

Mathematics
1 answer:
svet-max [94.6K]4 years ago
6 0
7x^2=9+x
minus 9+x both sides
7x^2-1x-9=0


for ax^2+bx+c=0
x=

7x^2-1x-9=0
a=7
b=-1
c=-9

x= is correct usage
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