solvex^3-21x^2+140x-300=0

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Solution for solvex^3-21x^2+140x-300=0 equation:


Simplifying
solvex3 + -21x2 + 140x + -300 = 0

Reorder the terms:
-300 + elosvx3 + 140x + -21x2 = 0

Solving
-300 + elosvx3 + 140x + -21x2 = 0

Solving for variable 'e'.

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

Add '300' to each side of the equation.
-300 + elosvx3 + 140x + 300 + -21x2 = 0 + 300

Reorder the terms:
-300 + 300 + elosvx3 + 140x + -21x2 = 0 + 300

Combine like terms: -300 + 300 = 0
0 + elosvx3 + 140x + -21x2 = 0 + 300
elosvx3 + 140x + -21x2 = 0 + 300

Combine like terms: 0 + 300 = 300
elosvx3 + 140x + -21x2 = 300

Add '-140x' to each side of the equation.
elosvx3 + 140x + -140x + -21x2 = 300 + -140x

Combine like terms: 140x + -140x = 0
elosvx3 + 0 + -21x2 = 300 + -140x
elosvx3 + -21x2 = 300 + -140x

Add '21x2' to each side of the equation.
elosvx3 + -21x2 + 21x2 = 300 + -140x + 21x2

Combine like terms: -21x2 + 21x2 = 0
elosvx3 + 0 = 300 + -140x + 21x2
elosvx3 = 300 + -140x + 21x2

Divide each side by 'losvx3'.
e = 300l-1o-1s-1v-1x-3 + -140l-1o-1s-1v-1x-2 + 21l-1o-1s-1v-1x-1

Simplifying
e = 300l-1o-1s-1v-1x-3 + -140l-1o-1s-1v-1x-2 + 21l-1o-1s-1v-1x-1

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