3x^2+2x-5=0

Simple and best practice solution for 3x^2+2x-5=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^2+2x-5=0 equation:


Simplifying
3x2 + 2x + -5 = 0

Reorder the terms:
-5 + 2x + 3x2 = 0

Solving
-5 + 2x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -3x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -3x)' equal to zero and attempt to solve: Simplifying -5 + -3x = 0 Solving -5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -3x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3x = 0 + 5 -3x = 0 + 5 Combine like terms: 0 + 5 = 5 -3x = 5 Divide each side by '-3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 2

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

Solution

x = {-1.666666667, 1}

See similar equations:

| 4x+12=-72-8x | | 3y+7=34 | | 4(2k+1)-23=21 | | -2(4x+1)=46 | | 5n+15n= | | 6(3z-5)=15 | | y=-3x^2+12x-7 | | -6x^2-13x=-3x^2-7x | | 4(4y+9)=48 | | 5x-5+7x=6-4-11 | | 6z-2-5z=9z+6 | | x^2-3x=0 | | 2e=20-3e-9 | | 9r-1=7r-13 | | 9c-7=2c-35 | | 2x^3-8x^2-2=0 | | z(z+4)=70 | | 5x+6=-42-7x | | 2x^2+16x+28=0 | | -111-8x=10x+15 | | 9x^3-144x=0 | | 64-6x=14-7x | | 64-4x=14-7x | | 6x+6=-50-8x | | 4x^2-17x+12=-8x+7 | | 10x+12=6x+64 | | 4x^2+20x+21=0 | | 5x=2t | | 3x+3= | | 6x+3=2x+23 | | X-8=3x | | x^2+22x+121=0 |

Equations solver categories