Answer:
its 27 just did the instruction 
Step-by-step explanation:
Evaluate the expression.   [(3–5)(34)]3
1 Innermost group, apply the product of powers: [3–1]3
2 Apply the power of a power:         3–3
3 Apply the negative exponent:          
1
33
4 Simplify:                    
1
x
What is the value of x in the simplified expression?
x=  27