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Anonymous
-1! -1!
Dock Spencer ∙
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2x+1=5. Another thing is 3x+5=6x+2.
Wiki User
8x2 + 2x - 1 = 8x2 + 4x - 2x - 1 = 4x(2x + 1) - 1(2x + 1) = (4x - 1)(2x + 1)
2x-1=9 2x=10 x=5
if you mean 2x-1*3 then the answer is: 2x-3
2x+1 = 9 2x = 9-1 2x = 8 x = 4
2x2 + 2x = 2x(x+1)