SOLUTION: Please help me how to solve this. The product of two consecutive positive even integers is 120. Find the integers.

Algebra.Com
Question 1051089: Please help me how to solve this.
The product of two consecutive positive even integers is 120. Find the integers.
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Please help me how to solve this.
The product of two consecutive positive even integers is 120. Find the integers.
-----------
Hint: sqrt(120) =~ 11
Answer by ikleyn(52797)   (Show Source): You can put this solution on YOUR website!
.
Amswer. 10 and 12.

Solution 

x*(x+2) = 120,

x^2 + 2x - 120 = 0.

Factor left side

(x-10)*(x+12) = 0.

The only solution in the positive domain is x=10, so the answer is 10 and the numbers are 10 and 12.


RELATED QUESTIONS

How do I do this, The product of two consecutive positive even integers is 120. Find the (answered by jim_thompson5910)
please help me solve this question the product of two consecutive even positive... (answered by josgarithmetic)
Hi, I can't seem to solve this problem...I have to find two consecutive, positive,... (answered by stanbon)
please help me solve this problem: the product of two consecutive positive integers is... (answered by mananth)
The product of two consecutive even integers is 168. Find the integers. PLEASE... (answered by wgunther)
The product of two consecutive even integers is 120. Find the... (answered by Alan3354,TimothyLamb)
The product of two consecutive even positive integers is one hundred twenty. Find the... (answered by jim_thompson5910,KnightOwlTutor,gonzo)
Find the product of two consecutive positive even integers is 288. Find the... (answered by Alan3354)
Can you please help me solve this, the product of two consecutive even integers decreased (answered by stanbon)