Register
Percy solved the equation x^2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain. 1. (x + 3)(x + 4) = 12 2. x + 3 = 12 or x + 4 = 12 3. x = 9 or x = 8
83.0k views
3 votes
Percy solved the equation x^2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain.

1. (x + 3)(x + 4) = 12

2. x + 3 = 12 or x + 4 = 12

3. x = 9 or x = 8

User Mike Park
by
6.8k points

1 Answer

0 votes
No. To solve the equation it needs to be set to 0.
1. x^2 +7x = 0
Then the GCF needs to be found
2. x(x+7) = 0
Set each to 0
3. x= 0 or x+7=0
Solve for x
4. x=0 or x=-7
User Boguz
by
6.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.1m questions

9.5m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
Please solve the following equation. x-6x=56
whats the most accurate estimation of 65+77
Find the additive inverse of 18/23
What is 25% of 500.00
Link Copied!