Question

(x^2-x^2-9+9)7 solve​

Answer 1

Answer:

0

Step-by-step explanation:

all terms will get cancelled

Answer 2

Answer:

0

Step-by-step explanation:

$({x}^{2} - {x }^{2} + 9 - 9)7 = 0 \times 7 = 0$