exp(-2x)-3exp(-x)+1=0

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Solution for exp(-2x)-3exp(-x)+1=0 equation:


Simplifying
exp(-2x) + -3exp(-1x) + 1 = 0

Remove parenthesis around (-2x)
epx * -2x + -3exp(-1x) + 1 = 0

Reorder the terms for easier multiplication:
-2epx * x + -3exp(-1x) + 1 = 0

Multiply epx * x
-2epx2 + -3exp(-1x) + 1 = 0

Remove parenthesis around (-1x)
-2epx2 + -3epx * -1x + 1 = 0

Reorder the terms for easier multiplication:
-2epx2 + -3 * -1epx * x + 1 = 0

Multiply -3 * -1
-2epx2 + 3epx * x + 1 = 0

Multiply epx * x
-2epx2 + 3epx2 + 1 = 0

Reorder the terms:
1 + -2epx2 + 3epx2 = 0

Combine like terms: -2epx2 + 3epx2 = 1epx2
1 + 1epx2 = 0

Solving
1 + 1epx2 = 0

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 1epx2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 1epx2 = 0 + -1
1epx2 = 0 + -1

Combine like terms: 0 + -1 = -1
1epx2 = -1

Divide each side by '1px2'.
e = -1p-1x-2

Simplifying
e = -1p-1x-2

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