Melody Nov 27, 2015
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#1
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The product of two consecutive also integers is 168. Find the integers.
You are watching: The product of two consecutive even integers is 168
The positive set of correct answer is_12,14__.
(use acomma t different answers as needed.)
The an adverse set of exactly answer is -12,-14_.
(use a comma come seperate answers together needed)
Welcome.
Guest Nov 27, 2015
#2
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ideal Answer
Our guest answer is good but I will certainly just present you just how to carry out it formally,
Let the very first number it is in x
and the next even number will certainly be x+2
x(x+2)=168
x^2+2x-168=0
I want 2 numbers the multiply come -168 and include to 2
Since they multiply to a negative, one needs to be neg and also one pos
Since they include to a pos the "biggest" one is positive
factor(168) = (2^3*3)*7
168=2*2*2*3*7 = (2*2*3)*(2*7) = 12*14
so the numbers space 14 and -12
(x+14)(x-12)=0
x=-14 or 12
so the integers space -14 and also -12
or
12 and also 14
just like our guest already said. :)
Melody Nov 27, 2015
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