Ask
your own question, for FREE!
Mathematics
7 Online
OpenStudy (anonymous):
sqrt (5x+21) = x+3solve
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
5x+21 = x^2 + 6x +9 x^2 + x - 12 = 0 (x + 4)(x - 3) = 0 therefore x = 3 or -4
jhonyy9 (jhonyy9):
sqrt(5x+21)=x+3 squared both sides 5x+21=(x+3)(x+3) 5x+21=x2+6x+9 x2 +x -12=0 (x+4)(x-3)=0 x+4=0 x=-4 and x-3=0 x=3 x_1=-4 x_2=3
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
4 hours ago
1 Reply
0 Medals
Maci:
what are the best stock apps for people who want to start investing?
4 days ago
3 Replies
2 Medals
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
1 week ago
3 Replies
0 Medals
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
2 days ago
9 Replies
1 Medal
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago
2 Replies
1 Medal