SOLUTION: How do you do 16x to the power of 3 minus 44x to the power of 2 minus 42x?

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Question 694756: How do you do 16x to the power of 3 minus 44x to the power of 2 minus 42x?
Answer by Ave(106) About Me  (Show Source):
You can put this solution on YOUR website!
16x%5E3-44x%5E2-42x=0 take out a 2x
2x%288x%5E2-22x-21=0%29 reverse foil
(2x)(2x-7)(4x + 3)=0 set the stuff in () = 0 and solve(make "three" equations)
2x=0
x=0
and
2x-7=0
2x=7
x=7/2
and
4x+3=0
4x=-3
x=-3/4
get more then one answer for x
{-3/4, 0, 7/2}