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35 votes
35 votes
Find two positive consecutive integers such that the square of the first added to three times the second is 24

User Alexei Korshun
by
2.7k points

1 Answer

23 votes
23 votes

Answer:

3 and 5

Explanation:

Let the two consecutive odd integers be x and x + 2.

Now,

The given statement is


x^2 + 3 * (x+2)=24\\x^2 + 3x+6-24 = 0 \\x^2 + 3x-18 = 0\\x^2+6x-3x-18=0\\x(x+6)-3(x+6)=0\\(x-3)(x+6)=0\\x=3,-6

Taking x=3.

Hence, two consecutive odd integers are 3 and 5.

User Zaw Lin
by
3.2k points
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