SOLUTION: solve 3x² + x - 2
Algebra.Com
Question 947603: solve 3x² + x - 2
Found 3 solutions by rfer, josmiceli, Alan3354:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
a=3
b=1
c=-2
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sqrt(1-4*3*-2)
=sqrt25
=5
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(-1+5)/6=
4/6=2/3
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(-1-5)/6=-1
------------
(0,2/3)
(0,-1)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Use quadratic formula
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and, using the negative square root,
---------------
check:
The factors are:
Multiply both sides by
OK
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Equations are solved.
This is not an equation, there's no equal sign.
=================
solve 3x² + x - 2 = 0 is a possibility.
solve 3x² + x - 2 = pi is another
solve 3x² + x - 2 = -10000000 is another.
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You have to spec what's the polynomial is equal to.
Why the other tutors assumed zero (0) is a mystery.
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