105k views
1 vote
How do you solve the equation u^2-8=7u by factoring?

User Mknaf
by
8.0k points

1 Answer

3 votes

u^2-8=7u

u^2-7u-8=0

u^2-8u+u-8=0

u(u-8)+(u-8)=0

(u-8)(u+1)=0

\boxed{u=8\lor u=-1}
User Kbirk
by
9.0k points

Related questions

asked Jul 27, 2020 86.0k views
Martin Becker asked Jul 27, 2020
by Martin Becker
7.7k points
1 answer
0 votes
86.0k views
asked Dec 7, 2024 36.5k views
Imderek asked Dec 7, 2024
by Imderek
7.8k points
1 answer
5 votes
36.5k views
asked Jun 7, 2024 173k views
Imjaydeep asked Jun 7, 2024
by Imjaydeep
7.4k points
1 answer
1 vote
173k views
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.