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kipiarov [429]
2 years ago
13

The product of a number and 7 less than the number is 260. Find the numbers.

Mathematics
1 answer:
Mariulka [41]2 years ago
8 0

Answer: 20,-13

Step-by-step explanation:

We can rewrite the problem as an equation. This equation is x(x-7)=260 (x being the mystery number). We can simply this into x^2 -7x=260. We can then rewrite this as x^2 -7x -260=0. We need to find the roots of this quadratic, which are -13 and 20. You can find this by factoring the quadratic.

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