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State whether the equation is a linear equation in one variable or not. –2x(–2 – x) = x + 1
If you'll simplify this equation -2x(-2-x)=x+1 you'll get 4x+2x²=x+1 simplify further 2x²+3x-1 this one looks like a quadratic equation. Thus, this is not a linear equation,
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