Evaluate x−2 for x=−3

Answer:
1/9
Step-by-step explanation:
x^-2
We know that a^-2 = 1/ a^2
1/x^2
Let x = -3
1/ (-3)^2
1/9
1/9 is a required answer.
Answer:
solution given:
[tex]x^{-2}=\frac{1}{x²}[/tex]
again
substituting value of x
we have (-3)²=9
now
[tex]\bold{\frac{1}{x²}=\frac{1}{9}}[/tex]