Question

find a zero of the polinomial p(x) =2x+1​

Answer 1

to find zeros put p(x)=0
hence
$2x + 1 = 0 \\ x = \frac{ - 1}{2}$

Answer 2

p(x)=0

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

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