Register
Solve x2 - 49 = 0 A) ±49 B) ±12 C) ±7 D) ±6
203k views
4 votes
Solve
x2 - 49 = 0

A) ±49
B) ±12
C) ±7
D) ±6

User Ashkan Rahmani
by
6.5k points

2 Answers

5 votes
C, x = +-7. Difference of squares
User Sum NL
by
6.0k points
1 vote
x2 - 49 = 0 factor this:0
(x + 7)(x - 7) = 0

x = +/- 7
User Rhynden
by
5.9k 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!