It says that in the quadratic form, this is equal to 3x^2 6x-5, but whenever I do it, I get 3x^2 6x-2. Any help?
Is this supposed to say 3(x - 1)^2 - 8?
If so, 3(x^2 - 2x + 1) - 8
3x^2 - 6x + 3 - 8
3x^2 - 6x - 5
or 3x^2 + 6x - 5 if the problem is 3(x+1)^2 - 8
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Is this supposed to say 3(x - 1)^2 - 8?
If so, 3(x^2 - 2x + 1) - 8
3x^2 - 6x + 3 - 8
3x^2 - 6x - 5
or 3x^2 + 6x - 5 if the problem is 3(x+1)^2 - 8