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arsen [322]
3 years ago
10

The product of two consecutive positive integers is 18 more than eight times the smaller number. Find the two numbers.

Mathematics
1 answer:
olga2289 [7]3 years ago
6 0

Let , smallest integer is x.

So , other one is x + 1.

By , given conditions :

x( x + 1 ) = 8x + 18\\\\x^2+x=8x+18\\\\x^2-7x-18=0\\\\x^2-9x+2x-18=0\\\\x(x-9)+2(x-9)=0\\\\x=-2 \  ,\ x = 9

Since, the numbers are positive so, x = -2 is ignored.

Therefore, the numbers are 9 and 10.

Hence, this is the required solution.

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