3x^2+4x-55=0

Simple and best practice solution for 3x^2+4x-55=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+4x-55=0 equation: 


Simplifying
3x2 + 4x + -55 = 0

Reorder the terms:
-55 + 4x + 3x2 = 0

Solving
-55 + 4x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -1x)(11 + -3x) = 0


Subproblem 1
Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 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 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2
Set the factor '(11 + -3x)' equal to zero and attempt to solve:

Simplifying
11 + -3x = 0

Solving
11 + -3x = 0

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

Add '-11' to each side of the equation.
11 + -11 + -3x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -3x = 0 + -11
-3x = 0 + -11

Combine like terms: 0 + -11 = -11
-3x = -11

Divide each side by '-3'.
x = 3.666666667

Simplifying
x = 3.666666667
Solution
x = {-5, 3.666666667}

See similar equations:

| 4x+8=x-4 | | 9w^2+21w+10=0 | | 35x^2-62x+11=0 | | 6+x=-2x+2x | | 3(x+2)=42 | | 1+8m=-3+6m | | 3x+3.0=x+3.3 | | 3x-3.6=2x-3.7 | | 5x+1.5=2.6+0.6 | | 7(x+2)=6x+20 | | 5(x+6)=4x+35 | | 12+y=-13 | | 0.2y^3+0.5y^3-0.3y^3= | | 2x-15=27 | | 2x^2-8x-13=0 | | -5g=3 | | -12(x+9)=(x-39) | | 36=-4h | | 5(x+6)=3x+14 | | -11-2+3m-5m=-8-3m | | -3s=9 | | 8=15-s | | t^2+100=20t | | -6=3b | | 7x+12y-6x+9y= | | m-2(4-2m)=7 | | n=4-2(3) | | 7m^2+9m=0 | | 1-2b=6-6b+3b | | c-5=-2 | | y=-x^3+9x+8 | | z^2+16z=-47 |

Equations solver categories