-3x^2-5x+8=0

Simple and best practice solution for -3x^2-5x+8=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^2-5x+8=0 equation: 


Simplifying
-3x2 + -5x + 8 = 0

Reorder the terms:
8 + -5x + -3x2 = 0

Solving
8 + -5x + -3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -1x)(8 + 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 '(8 + 3x)' equal to zero and attempt to solve:

Simplifying
8 + 3x = 0

Solving
8 + 3x = 0

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

Add '-8' to each side of the equation.
8 + -8 + 3x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 3x = 0 + -8
3x = 0 + -8

Combine like terms: 0 + -8 = -8
3x = -8

Divide each side by '3'.
x = -2.666666667

Simplifying
x = -2.666666667
Solution
x = {1, -2.666666667}

See similar equations:

| 7x+4=-19 | | -1/2+2y=6 | | 3(2d-1)=8d-7 | | 40x-5=30x | | x=5+x | | 2y+4c=0 | | 1/2*-1+2y=6 | | 588.60=36(x+2.35) | | 3(x-2)+2=17 | | (-14)+2= | | 25x+5y-15=0 | | 2/3v=2/1-4/3 | | 7m+3n-m+2n= | | y^2-8y+6x+16=0 | | 10x^2-6x-2x=0 | | -3-(-5+9)+(-6)= | | x^2-6x+1= | | 2x-5y=-7 | | 10/9=40/t | | 9+7(-9)= | | -6x+6y= | | 20/8=40/t | | 5/6b=17/8 | | 7-18-3= | | -6m-10=-28 | | m/16=8/32 | | 18w-10+17w= | | 4/6=10/t | | n+5/-16=-1 | | 5-2(x+-1)=12 | | 4a(-2)6= | | x/8=100/10 |

Equations solver categories