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Ievchukn

31 янв. 2015 г., 16:52:50 (9 лет назад)

X^3+2x^2-9x-18=0Simple and best practice solution for X^3+2x^2-9x-18=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.If it's not what You are looking for type in the equation solver your own equation and let us solve it.Equation:Solution for X^3+2x^2-9x-18=0 equation:
Simplifying X3 + 2x2 + -9x + -18 = 0 Reorder the terms: -18 + X3 + -9x + 2x2 = 0 Solving -18 + X3 + -9x + 2x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '18' to each side of the equation. -18 + X3 + -9x + 18 + 2x2 = 0 + 18 Reorder the terms: -18 + 18 + X3 + -9x + 2x2 = 0 + 18 Combine like terms: -18 + 18 = 0 0 + X3 + -9x + 2x2 = 0 + 18 X3 + -9x + 2x2 = 0 + 18 Combine like terms: 0 + 18 = 18 X3 + -9x + 2x2 = 18 Add '9x' to each side of the equation. X3 + -9x + 9x + 2x2 = 18 + 9x Combine like terms: -9x + 9x = 0 X3 + 0 + 2x2 = 18 + 9x X3 + 2x2 = 18 + 9x Add '-2x2' to each side of the equation. X3 + 2x2 + -2x2 = 18 + 9x + -2x2 Combine like terms: 2x2 + -2x2 = 0 X3 + 0 = 18 + 9x + -2x2 X3 = 18 + 9x + -2x2 Simplifying X3 = 18 + 9x + -2x2 Reorder the terms: -18 + X3 + -9x + 2x2 = 18 + 9x + -2x2 + -18 + -9x + 2x2 Reorder the terms: -18 + X3 + -9x + 2x2 = 18 + -18 + 9x + -9x + -2x2 + 2x2 Combine like terms: 18 + -18 = 0 -18 + X3 + -9x + 2x2 = 0 + 9x + -9x + -2x2 + 2x2 -18 + X3 + -9x + 2x2 = 9x + -9x + -2x2 + 2x2 Combine like terms: 9x + -9x = 0 -18 + X3 + -9x + 2x2 = 0 + -2x2 + 2x2 -18 + X3 + -9x + 2x2 = -2x2 + 2x2 Combine like terms: -2x2 + 2x2 = 0 -18 + X3 + -9x + 2x2 = 0