Solving a Quadratic Equation by Factorization Method
The differenc...
Question
The difference fo squares fo two numbers is 180. The square fo the smaller number is 8 times teh larger number. Find two numbers.
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Solution
Let the larger number = x Then the square of the smaller number = 8 times the larger number = 8x and the square of the larger number= According to the question,
Thus the larger number = 18 or -10. Then, the square of the smaller number =
But the square of a number can not be negative so the square of smaller number is 144. Hence the smaller number is Therefore the numbers are 12 and 18.