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How do you solve this ? the fastest way possible :)

Mathematics
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38n^2 + 304n - 128 = -2n^2
Please help :)
1. Add 2n^2 to both sides first

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please continue :)
I got 40n^2 + 304n - 128 = 0
2. Factor out 8
8(5n^2 + 38n - 32)
You forgot the equal zero part
8(5n^2 + 38n - 32) = 0
3. Divide both sides by 8
w8 I think I got something wrong
32 x 8 = 256 That definitely isn't right
Did you figure out what you did wrong yet?
it should be 8(5n^2 + 38n - 16) right?
equal zero :/
You keep forgetting the equal zero
ok, I'll just try to solve it. I think I am getting confused because I divided 128 by 8 wrongly :) I'll just ask you if am I stuck with some part :)
8(5n-2)(n+8)=0 (5n-2)(n+8)=0 n=2/5 , n=-8 Is this correct?
Thanks! I believe it is correct :)
It's correct. Good job

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