Question

. Check whether -2 and 2 are zeroes of the polynomial x + 2.
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Answer 1

$x + 2 = 0$

$- 2 + 2 = 0$

$0 = 0$

$yes \: - 2 \: is \: a \: zero$

$x + 2 = 0$

$2 + 2 = 0$

$4 \not = 0$

$no \: 2 \: is \: not \: a \: zero$