SOLUTION: 7x^2+5x-2=0 what are the possibilities for x

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Question 1009587: 7x^2+5x-2=0 what are the possibilities for x
Found 3 solutions by addingup, Alan3354, MathLover1:
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
x= -1 or x= 2/7

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
7x^2+5x-2=0 what are the possibilities for x
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Factor 7x^2+5x-2
It's (x + a)*(7x + b)
a*b = -2

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

7x%5E2%2B5x-2=0..........factor
7x%5E2%2B7x-2x-2=0
%287x%5E2%2B7x%29-%282x%2B2%29=0
7x%28x%2B1%29-2%28x%2B1%29=0
%287x-2%29%28x%2B1%29=0
solutions:
if 7x-2=0=>7x=2=>highlight%28x=2%2F7%29
if x%2B1=0=>highlight%28x=-1%29