Register
Completinga^2-8a+15=0 complete the square
157k views
5 votes
Completing
a^2-8a+15=0 
complete the square

User MarkF
by
7.7k points

1 Answer

5 votes

a^2-8a+15=0\\ a^2-8a+16-1=0\\ (a-4)^2=1\\ a-4 =1 \vee a-4=-1\\ a=5 \vee a=3
User Froskoy
by
8.5k points
← Prev Question Next Question →

No related questions found

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

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
Link Copied!