SOLUTION: Simplify 3^2-5 n=3/5 3(3/5)^2-5 3(9/25)-5 3/1(9/25-5 27/25-5/1 27/25-125/25 = 27-125 = -98

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Simplify 3^2-5 n=3/5 3(3/5)^2-5 3(9/25)-5 3/1(9/25-5 27/25-5/1 27/25-125/25 = 27-125 = -98       Log On


   

Question 153580This question is from textbook
: Simplify 3^2-5 n=3/5
3(3/5)^2-5
3(9/25)-5
3/1(9/25-5
27/25-5/1
27/25-125/25 = 27-125
= -98
 This question is from textbook

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You were correct until the last step, where you lost your denominator.
n=3%2F5
3n%5E2-5=3%283%2F5%29%5E2-5
3n%5E2-5=3%289%2F25%29-5
3n%5E2-5=27%2F25-5
3n%5E2-5=27%2F25-125%2F25
3n%5E2-5=%2827-125%29%2F25
3n%5E2-5=-98%2F25%29