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Answers by Patrick T.

How do I solve this?! (answer)

You have to multiply the first term, -2x, by each of the terms within the parentheses. So it will look like this: -2x*3 - -2x*x, and then you clean it up to: -6x +2x^2 (That's x squared). Notice that the sign in the middle changed because you are subtracting a negative term, which is the...

2k-df-1o-js=10 (answer)

Unfortunately, it is impossible to solve this equation. In general, you cannot solve an equation with more than one variable unless you can cancel out variables, leaving only one. In order to solve this, you would need a system of equations. Since there are 5 variables, you'd need at...