SOLUTION: The sum of the digits of a certain two-digit number is 15 while the product is 56. Find the numbers involving quadratic equation.
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Question 894092: The sum of the digits of a certain two-digit number is 15 while the product is 56. Find the numbers involving quadratic equation.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
From the first equation,
Substitute into the second,
Two solutions:
then,
and
then,
The two numbers are 7 and 8.
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