181k views
5 votes
The square of a number decreased by ten times the number is negative nine.

User Kuhlemann
by
7.6k points

2 Answers

5 votes
x^2 - 10x =-9

x=1 or x=9
User Mozu
by
7.3k points
2 votes

Answer:

9 OR 1

Explanation:

Let the number be x

x² - 10x = -9

x² - 10x + 9=0

a=1

b=-10

c=9

Solve using the quadratic formula

x =9 or 1

User N Jedidiah
by
7.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories