SOLUTION: (3x+1)(x-1)= -3x
Algebra.Com
Question 167448: (3x+1)(x-1)= -3x
Answer by midwood_trail(310) (Show Source): You can put this solution on YOUR website!
(3x+1)(x-1)= -3x
Start by multiplying both factors on the left side using FOIL.
3x^2 - 3x + x - 1 = -3x
3x^2 -2x - 1 + 3x = 0
3x^2 + x - 1 = 0
Use the quadratic formula to factor and find x.
Can you take it from here?
RELATED QUESTIONS
(3x+1)(x-1)=... (answered by nerdybill)
3x=1-1/x (answered by checkley77)
3x+(1+x)/x (answered by CubeyThePenguin)
3x-(x-1)=1-(3x-9) (answered by Fombitz)
f(x)=3x-1 (answered by rcmcc)
3x-1=x+6 (answered by megaroo11891)
3x(x+1) (answered by checkley71)
3x+7=x-1? (answered by Mathtut)
x+2=3x-1 (answered by ichudov)