Question

Write the zero of the polynomial x+2x+1

Answer 1

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$x + 2x + 1 = 0 \\ 3x + 1 = 0 \\ 3x = - 1 \\ x = \frac{ - 1}{3}$

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Answer 2

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x+ 2x+ 1 =0

3x +1 =0

3x= -1

x= $\frac{-1}{3}$

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