SOLUTION: I am having trouble solving this equation for x. Could you help me? Thanks!
2e^x + 4xe^x + (x^2-1)e^x = 0
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Question 691174: I am having trouble solving this equation for x. Could you help me? Thanks!
2e^x + 4xe^x + (x^2-1)e^x = 0
Found 2 solutions by pmatei, MathLover1:
Answer by pmatei(79) (Show Source): You can put this solution on YOUR website!
Factor :
is not zero ever, so:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
....first multiply
....here you have a quadratic equation (in general form ), where , and
now you use quadratic formula to solve for
....plug in values for , and
....since , we will have
.......factor out
.....cancel
solutions:
............if you plug in in given equation, you will get answer which is rounded to whole number equal to zero
or
...........if you plug in , you get , you also round it to zero
the difference appears because rounding decimals during calculation of
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