SOLUTION: 12b squared+23b-5=-15

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Question 86238: 12b squared+23b-5=-15
Found 2 solutions by checkley75, ankor@dixie-net.com:
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
12B^2+23B-5=-15
12B^2-23B-5+15=0
12B^2-23B+10=0
(4B-5)(3B-2)=0
4B-5=0
4B=5
B=5/4 ANSWER.
3B-2=0
3B=2
B=2/3 ANSWER.

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
12b squared+23b-5=-15
:
12b^2 + 23b - 5 = -15
:
12b^2 + 23b - 5 + 15 = 0; added 15 to both sides
:
12b^2 + 23b + 10
:
Use the quadratic formula to solve for b:
b+=+%28-23+%2B-+sqrt%28+23%5E2+-+4%2A+12%2A10+%29%29%2F%282%2A12%29+
:
Do the math and you should get:
b = -5/4
and
b = -2/3