Register
The product of some negative number and 7 less than three times that number is 20. find the number.
40.8k views
3 votes
The product of some negative number and 7 less than three times that number is 20. find the number.

User OrtegaGuillermo
by
5.5k points

1 Answer

7 votes
The given relation is
n·(3n-7) = 20

In standard form, this is
3n² -7n -20 = 0
(n -4)(3n +5) = 0
n = 4 or -5/3

The number is -5/3.
User Nick Wilson
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.6m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Find the quotient of 3,078 ÷ 27. A) 104 B) 109 C) 114 D) 119
Link Copied!