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State whether the equation is a linear equation in one variable or not. –2x(–2 – x) = x + 1

State whether the equation is a linear equation in one variable or not. –2x(–2 – x) = x + 1
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1 vote
State whether the equation is a linear equation in one variable or not. –2x(–2 – x) = x + 1

User Alex Styl
by
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2 Answers

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-2x(-2 -x) = x + 1\\ 4x+2x^2=x+1

It's not linear. It's quadratic.
User Ali Akbar Afridi
by
7.4k points
1 vote
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,
User M P Mathugama
by
8.3k points
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