Respuesta :

kphung76127
6+(10-5)^2-20
6+5^2-20
6+25-20
31-20
11

Final answer:11

Remember, grouping and parantheses first, then exponents, and finally addition and subtraction
Banabanana
6 + (10 - x)² - 20 
= 6 + (10 - 5)² - 20 
= 6 + (5)² - 20 
= 6 + 25 - 20 
= 11 ← answer