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Popular Word Problems >

The product of two consecutive negative odd integers is 15. Find the value of the greater integer.

Solution

T h e p ro d u c t o f tw o co n sec u t i v e n e g a t i v e o dd in t e g ers i s 15. F in d t h e v a l u e o f t h e g re a t er in t e g er .

Solution

The largest number : - 3

Solution steps

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x (x + 2) = 15

Solve

x (x + 2) = 15 : x = 3, x = - 5

Select negative solutions:

- 5

x + 2 = - 5 + 2 = - 3

Select the largest solution:

- 3

The largest number : - 3

Popular Examples

a number that when decreased by 30% is 12 7 less than the product of 2 and number when 19 is subtracted from a number, the result is 32 The diameter of a circle is 30 ft. Find its area to the nearest whole number.Find two consecutive integers that \sqrt[3]{109} lies between.