SOLUTION: the sum of two numbers is 23. the product of the two same numbers is 90. what are those two numbers

Question 337952: the sum of two numbers is 23. the product of the two same numbers is 90. what are those two numbers
Found 2 solutions by nyc_function, edjones:
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
This is a system of linear equations in two variables.
Let x = one number
Let y = the other number

x + y = 23
(x)(y) = 90
Can you finish now?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x+y=23
x=23-y
.
xy=90
y(23-y)=90
23y-y^2=90
y^2-23y+90=0
(y-18)(y-5)=0
When y=18, x=5
When y=5, x=18
.
Ed
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