9x^2+3x-56=0

Simple and best practice solution for 9x^2+3x-56=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 9x^2+3x-56=0 equation: 


Simplifying
9x2 + 3x + -56 = 0

Reorder the terms:
-56 + 3x + 9x2 = 0

Solving
-56 + 3x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -3x)(7 + -3x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(7 + -3x)' equal to zero and attempt to solve:

Simplifying
7 + -3x = 0

Solving
7 + -3x = 0

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

Add '-7' to each side of the equation.
7 + -7 + -3x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 0 + -7
-3x = 0 + -7

Combine like terms: 0 + -7 = -7
-3x = -7

Divide each side by '-3'.
x = 2.333333333

Simplifying
x = 2.333333333
Solution
x = {-2.666666667, 2.333333333}

See similar equations:

| 250+10x=200+15x | | 3e+6=18a | | 9x+117=4x^2+68x+289 | | 14=21c+3 | | -3n+22=-7n+14 | | 1/5(10d-5)=9 | | 1/3y+y=4 | | f(x)=2(x-3)(x-8) | | .1429x-4=.1667x-2 | | 10x^2-10+5=0 | | 1/5(10d-5)=o | | -11-(3+7x)=-49 | | B+9=12 | | 9x+5(x+3)=-(x+13)+x | | 5x-5/2=15 | | 26-b=7(b-2) | | 9/13x11/6 | | 1/2(4-12x)=3x-16 | | 4n+6=-8+30 | | (8x-3)(2x+5)=0 | | 4x+19=3x | | 5(x+1)=(2x-3)-1 | | -22=-p-112 | | +9= | | -9n-9=-4+36 | | 101/2x3/4 | | 4(y^2)-2y-3=0 | | 7m+10=3m-12 | | 4-4(5-5x)=4x-16 | | 317+p/6 | | 5n-9=2n+19 | | 2v^2-20v+46=v^2-10v+25 |

Equations solver categories