3x*x+2*x-1=0

Simple and best practice solution for 3x*x+2*x-1=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.

Solution for 3x*x+2*x-1=0 equation:


Simplifying
3x * x + 2x + -1 = 0

Multiply x * x
3x2 + 2x + -1 = 0

Reorder the terms:
-1 + 2x + 3x2 = 0

Solving
-1 + 2x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -1x)(1 + -3x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {-1, 0.3333333333}

See similar equations:

| 200+.15x=320 | | 5w-4w+4=5-4 | | 4t^2+17=16t | | p-38=-28 | | 2log(x-2)=log(14-x) | | 49x=-120 | | (30-x)(22-x)(6-x)=3564 | | 2x^4-5x^3+2x^2=0 | | 6x^2=3+3x | | 3a^2+13a-126=0 | | 9n-3-5n=21 | | 0.5(0.2m+0.3)-0.3m=-0.2(0.4m+0.1)-13 | | -x^3+58x^2-972x+396=0 | | y=-10/7x-7 | | 9x-9+3x+3=90 | | 2x^2-16x-80=0 | | 3960-972x+58x^2-x^3=3564 | | x(3-y)=7 | | x^2-mx=5 | | 2x-6=10x+6 | | 25+6y=5 | | 4(6)-3(6)= | | Y=-5/4-2 | | 2x+4=28x | | 24x+8=142 | | 8x-7=6x+7 | | 10y=x-1 | | 6+5Y=41 | | 3.6x^2-8x=-16 | | Y-3x=18 | | 3x-19=-4x+9 | | 9+4y=5 |

Equations solver categories