SOLUTION: b(b+9)=4(5+2b)
Algebra.Com
Question 499027: b(b+9)=4(5+2b)
Answer by deborabr(181) (Show Source): You can put this solution on YOUR website!
b(b+9)=4(5+2b)
b^2 + 9b = 20 + 8b
b^2 +9b - 8b - 20 = 0
b^2 + b - 20 = 0
1^2 - 4*1*-20 = 81
(-1 +/- 9)/2
x'= -5
x" = 4
RELATED QUESTIONS
-4/5=2b... (answered by solver91311)
7b-5+b=2b-4+b-6 (answered by edjones)
-B + 9 = -2B + 1 (answered by ewatrrr)
2b + 5 < -1 or b - 4 >... (answered by rfer)
5{a-2b}-3a{4-b} (answered by rahman)
b-4-(5+3d)+2b-(5d-1) (answered by algebrahouse.com)
ab+ b^2
_______
4ab^5
________
a+b
______... (answered by ankor@dixie-net.com)
9b^3 + 7b - 5*(9 b^3 - 2b)... (answered by lenny460)
2B(3-B?)/B^2-9 (answered by MathLover1)