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Help me find the solution to this quadratic formula 5r^2=80
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5 votes
Help me find the solution to this quadratic formula 5r^2=80

User OMGHaveFun
by
9.2k points

1 Answer

1 vote
This is an easier way:
5r^2=80
Both sides divided by 5.
r^2=16
And then both sides the root.
r=4 or r=-4
User Edepperson
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7.4k points
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