You have new items in your feed. Click to view.
Q: Solve the quadratic equation by factoring. 5x2 - 8 = 39x
A: 5x^2 - 8 = 39x; 5x^2 - 39x - 8 = 0; (5x + 1)(x - 8) = 0; 5x + 1 = 0; 5x = -1; x = -1/5; x - 8 = 0; x = 8 x = -1/5 or x = 8
Original conversation
User: Solve the quadratic equation by factoring. 5x2 - 8 = 39x

Question
Updated 8/30/2014 6:22:45 PM
Flagged by andrewpallarca [8/30/2014 6:22:38 PM]
Rating
3
5x^2 - 8 = 39x;
5x^2 - 39x - 8 = 0;
(5x + 1)(x - 8) = 0;
5x + 1 = 0; 5x = -1; x = -1/5;
x - 8 = 0; x = 8

x = -1/5 or x = 8

Questions asked by the same visitor
12x^2 - 10x - 42 = 0
Question
Updated 7/30/2014 12:37:08 PM
12x^2 - 10x - 42 = 0
2(2x + 3)(3x - 7) = 0;
2(2x + 3) = 0; 4x + 6 = 0; 4x = -6; x = -6/4; x = -3/2
3x - 7 = 0; 3x = 7; x = 7/3
Solution: x = -3/2 or 7/3
*
Get answers from Weegy and a team of really smart lives experts.
Popular Conversations
Solve for x 3x + 3 - x + (-7) > 6 A. x > 2.5 B. x > ...
Weegy: (3x + 1) + 8 = 4(x + 9), 3x + 9 = 4x + 36, 3x - 4x = 36 - 9, -x = 27, x = -27 User: Solve this ...
When adding a suffix that begins with a consonant, the general rule ...
Weegy: If the ending begins with a consonant, the spelling of the root word is usually not altered.
True or false? Stress has an effect on every system of the body.
Weegy: what is the question?
What's 3 * 4
Weegy: Synonyms for the word "say" which are bigger in length and in impact, are communicate, ...
Supporting detail
S
L
Points 256 [Total 274] Ratings 0 Comments 186 Invitations 7 Offline
S
L
R
Points 145 [Total 296] Ratings 1 Comments 5 Invitations 13 Offline
S
L
Points 135 [Total 135] Ratings 0 Comments 135 Invitations 0 Offline
S
R
L
R
P
R
P
R
Points 66 [Total 734] Ratings 0 Comments 6 Invitations 6 Offline
S
1
L
L
P
R
P
L
P
P
R
P
R
P
R
P
P
Points 62 [Total 13329] Ratings 0 Comments 62 Invitations 0 Offline
S
L
1
R
Points 34 [Total 1450] Ratings 2 Comments 14 Invitations 0 Offline
S
L
Points 10 [Total 187] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 10 [Total 13] Ratings 0 Comments 10 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.