SOLUTION: the sum of a number and its square is 20, find the numbers?
Algebra.Com
Question 463583: the sum of a number and its square is 20, find the numbers?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let number be
if the of a and is , you have
..use quadratic formula
solutions:
or
check:
if :...-> .-> .->
if :...-> .->
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