Hello,
(-9)⁴= (-9).(-9).(-9).(-9)= 81.81 = 6561
0.853 there u go thank me later .
For this case we must resolve the following inequality:

Applying distributive property on the left side of inequality we have:

Subtracting 5 from both sides of the inequality:

Subtracting 4x from both sides of the inequality:

Thus, the result is 
Answer:
