Question

please solve these please solve ​

Answer 1

Step-by-step explanation:

1. let x be 3 ,

0 = 3²-9

0 = 9-9

0 = 0

2. let x be -3,

0 = -3²-9

0 = 9-9 ( square of -3 is 9 as 2 is even )

0 = 0

Hence both 3 and -3 are zeroes of the given equation .