A positive integer is 47 more than 9 times another. Their product is 1860. Find the two integers.
1 answer:
X = 47 + 9y xy = 1860 y(47 + 9y) = 1860 47y + 9y² = 1860 9y² + 47y - 1860 = 0 > using a quadratic equation solver on a calculator but you can also use the quadratic equation = [-b+/- √(b²-4ac)]/(2a) > only integer solution is x = 12 12y = 1860 y = 155 integers are 12 and 155
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