Question

which one of the following has -3 as zero?
a)
$(x - 3)$
b)
$( {x}^{2} - 9)$
c)
$( {x}^{2} - 3x)$
d)
$( {x}^{2} + 3)$
​

Answer 1

Answer:

b.

$= {x }^{2} - 9 \\ = ( - 3)^{2} - 9 \\ = 9 - 9 \\ = 0$

Hope it helped u.....

Answer 2

may this helpful..

please mark it brainliest..