3(x plus 2) expanded --> 3x+6
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3x + 2 = 3x + 6 This is not possible.
Oh, isn't that just lovely? To expand x(3x + 2), you simply distribute the x to both terms inside the parentheses. So, you would have 3x^2 + 2x. Just like painting happy little trees, math can be a beautiful and calming experience when you take it step by step.
I think you mean (3x ± 1)^2 = (3x+1)(3x-1)?
It is: 2-3x simplified
x3+3x2+3x+2 divided by x+2 equals x2+x+1