Ask
your own question, for FREE!
Algebra
16 Online
Evaluate the expression when b= -4 b2+5b+7
Still Need Help?
Join the QuestionCove community and study together with friends!
all you have to do is substitute in -4 for b -4(2)+5(-4)+7 -8-20+7=-21
so what u say is the answer is -8-20+7=21 alright
-4(2)+5(-4)+7= -8+-21+7= -29+7+=-22
foxy 5(-4)=-20 not -21
oops yea its -20
Still Need Help?
Join the QuestionCove community and study together with friends!
so the answer its -21
yes, i double checked my math after you answered just to make sure @niman make sure you have the - in front of 21 for your answer
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
15 hours ago
1 Reply
0 Medals
5 days ago
3 Replies
2 Medals
1 week ago
3 Replies
0 Medals
3 days ago
9 Replies
1 Medal
1 week ago
2 Replies
1 Medal