SOLUTION: please help me with this problem it will be very appreciated Find all zeros of the function f(x)=-2(3x+2)(8x+1)(9x-5)

Algebra ->  Test -> SOLUTION: please help me with this problem it will be very appreciated Find all zeros of the function f(x)=-2(3x+2)(8x+1)(9x-5)      Log On


   



Question 117544: please help me with this problem it will be very appreciated
Find all zeros of the function
f(x)=-2(3x+2)(8x+1)(9x-5)

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!


-2%283x%2B2%29%288x%2B1%29%289x-5%29=0 Start with the given equation



Now set each factor equal to zero:

3x%2B2=0, 8x%2B1=0 or 9x-5=0

Now solve for x for each factor:

x=-2%2F3, x=-1%2F8 or x=5%2F9

So the zeros of -2%283x%2B2%29%288x%2B1%29%289x-5%29 are x=-2%2F3, x=-1%2F8 or x=5%2F9