9x^2-14x-4+3x=

Simple and best practice solution for 9x^2-14x-4+3x= 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^2-14x-4+3x= equation:


Simplifying
9x2 + -14x + -4 + 3x = 0

Reorder the terms:
-4 + -14x + 3x + 9x2 = 0

Combine like terms: -14x + 3x = -11x
-4 + -11x + 9x2 = 0

Solving
-4 + -11x + 9x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
-0.4444444444 + -1.222222222x + x2 = 0

Move the constant term to the right:

Add '0.4444444444' to each side of the equation.
-0.4444444444 + -1.222222222x + 0.4444444444 + x2 = 0 + 0.4444444444

Reorder the terms:
-0.4444444444 + 0.4444444444 + -1.222222222x + x2 = 0 + 0.4444444444

Combine like terms: -0.4444444444 + 0.4444444444 = 0.0000000000
0.0000000000 + -1.222222222x + x2 = 0 + 0.4444444444
-1.222222222x + x2 = 0 + 0.4444444444

Combine like terms: 0 + 0.4444444444 = 0.4444444444
-1.222222222x + x2 = 0.4444444444

The x term is -1.222222222x.  Take half its coefficient (-0.611111111).
Square it (0.3734567900) and add it to both sides.

Add '0.3734567900' to each side of the equation.
-1.222222222x + 0.3734567900 + x2 = 0.4444444444 + 0.3734567900

Reorder the terms:
0.3734567900 + -1.222222222x + x2 = 0.4444444444 + 0.3734567900

Combine like terms: 0.4444444444 + 0.3734567900 = 0.8179012344
0.3734567900 + -1.222222222x + x2 = 0.8179012344

Factor a perfect square on the left side:
(x + -0.611111111)(x + -0.611111111) = 0.8179012344

Calculate the square root of the right side: 0.904378922

Break this problem into two subproblems by setting 
(x + -0.611111111) equal to 0.904378922 and -0.904378922.

Subproblem 1

x + -0.611111111 = 0.904378922 Simplifying x + -0.611111111 = 0.904378922 Reorder the terms: -0.611111111 + x = 0.904378922 Solving -0.611111111 + x = 0.904378922 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.611111111' to each side of the equation. -0.611111111 + 0.611111111 + x = 0.904378922 + 0.611111111 Combine like terms: -0.611111111 + 0.611111111 = 0.000000000 0.000000000 + x = 0.904378922 + 0.611111111 x = 0.904378922 + 0.611111111 Combine like terms: 0.904378922 + 0.611111111 = 1.515490033 x = 1.515490033 Simplifying x = 1.515490033

Subproblem 2

x + -0.611111111 = -0.904378922 Simplifying x + -0.611111111 = -0.904378922 Reorder the terms: -0.611111111 + x = -0.904378922 Solving -0.611111111 + x = -0.904378922 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.611111111' to each side of the equation. -0.611111111 + 0.611111111 + x = -0.904378922 + 0.611111111 Combine like terms: -0.611111111 + 0.611111111 = 0.000000000 0.000000000 + x = -0.904378922 + 0.611111111 x = -0.904378922 + 0.611111111 Combine like terms: -0.904378922 + 0.611111111 = -0.293267811 x = -0.293267811 Simplifying x = -0.293267811

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.515490033, -0.293267811}

See similar equations:

| x^-2=9/16 | | 24a/4 | | 19x-3=14+2x | | x^*2=9/16 | | 24a/4= | | Y=-6+3x+x^2 | | (3y+1)=23+23 | | 4xy^2z/8x^2y-4xy^2 | | 4=6-y | | -m^2+7m=0 | | [-6x-(3x+3)]=-4-[4(2x-3)-3x] | | 1.93+0.670= | | 25k^2=64 | | x^4+5=3 | | 0.25x^2+1.5x-2=0 | | x6/5=x/7 | | 6y^2+17y-28=0 | | 3s-25=-43+5s | | a^2+8a+29=12 | | 10+11c+c^2=0 | | 22/18=99/t | | -10(43)+0.35x=0.05(x-2) | | f(x)=Lnx | | (2x-3)2=16+6x | | 14/4=n/18 | | -10(43)+0.35x=(x-2) | | 4t^2-40t=-96 | | -[6x-(2x+1)]=-4-[4(2x-3)-2x] | | 2cos^2x+3cosx-3=0 | | 12m^2+23m+5= | | -[6x-(3x+6)]=-5-[4(2x-4)-3x] | | .6w-.3+.2w=3 |

Equations solver categories