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Alex787 [66]
2 years ago
11

15 subtracted from the square of an integer the result is equal to three less than four times the integer find the negative inte

ger
Mathematics
1 answer:
dangina [55]2 years ago
5 0

Answer:

Let the integer be called "n"

So we have:

n^2-15=4n-3

n^2=4n+12

n^2-4n-12=0

(n+2)(n-6)=0

So, the negative integer is -2.

Let me know if this helps!

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Person A can paint the neighbor's house 5 times as fast as Person B. The year A and B worked together, it
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Answer:

Person A paints the house in 12 days.

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Step-by-step explanation:

The together rate is the sum of each separate rate.

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This means that the rate of person A is 1/x, and the rate of person B is 1/5x.

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