SOLUTION: If the sum of two numbers is 19 and their product is 90, what is the sum of their squares?
sum of two number is 9 + 10 = 19
product is 9 x 10 = 90
9^2 + 10^2 = 181
Question 226612: If the sum of two numbers is 19 and their product is 90, what is the sum of their squares?
sum of two number is 9 + 10 = 19
product is 9 x 10 = 90
9^2 + 10^2 = 181 Found 2 solutions by Edwin McCravy, 3788:Answer by Edwin McCravy(20055) (Show Source): You can put this solution on YOUR website! If the sum of two numbers is 19 and their product is 90, what is the sum of their squares?
Square both sides of the first equation:
Since , replace by in
Subtract 180 from both sides
Edwin