-6x^2-3x+4-2x^2-6x-2=

Simple and best practice solution for -6x^2-3x+4-2x^2-6x-2= 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 -6x^2-3x+4-2x^2-6x-2= equation:


Simplifying
-6x2 + -3x + 4 + -2x2 + -6x + -2 = 0

Reorder the terms:
4 + -2 + -3x + -6x + -6x2 + -2x2 = 0

Combine like terms: 4 + -2 = 2
2 + -3x + -6x + -6x2 + -2x2 = 0

Combine like terms: -3x + -6x = -9x
2 + -9x + -6x2 + -2x2 = 0

Combine like terms: -6x2 + -2x2 = -8x2
2 + -9x + -8x2 = 0

Solving
2 + -9x + -8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
-0.25 + 1.125x + x2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + 1.125x + 0.25 + x2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + 1.125x + x2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + 1.125x + x2 = 0 + 0.25
1.125x + x2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
1.125x + x2 = 0.25

The x term is 1.125x.  Take half its coefficient (0.5625).
Square it (0.31640625) and add it to both sides.

Add '0.31640625' to each side of the equation.
1.125x + 0.31640625 + x2 = 0.25 + 0.31640625

Reorder the terms:
0.31640625 + 1.125x + x2 = 0.25 + 0.31640625

Combine like terms: 0.25 + 0.31640625 = 0.56640625
0.31640625 + 1.125x + x2 = 0.56640625

Factor a perfect square on the left side:
(x + 0.5625)(x + 0.5625) = 0.56640625

Calculate the square root of the right side: 0.752599661

Break this problem into two subproblems by setting 
(x + 0.5625) equal to 0.752599661 and -0.752599661.

Subproblem 1

x + 0.5625 = 0.752599661 Simplifying x + 0.5625 = 0.752599661 Reorder the terms: 0.5625 + x = 0.752599661 Solving 0.5625 + x = 0.752599661 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5625' to each side of the equation. 0.5625 + -0.5625 + x = 0.752599661 + -0.5625 Combine like terms: 0.5625 + -0.5625 = 0.0000 0.0000 + x = 0.752599661 + -0.5625 x = 0.752599661 + -0.5625 Combine like terms: 0.752599661 + -0.5625 = 0.190099661 x = 0.190099661 Simplifying x = 0.190099661

Subproblem 2

x + 0.5625 = -0.752599661 Simplifying x + 0.5625 = -0.752599661 Reorder the terms: 0.5625 + x = -0.752599661 Solving 0.5625 + x = -0.752599661 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5625' to each side of the equation. 0.5625 + -0.5625 + x = -0.752599661 + -0.5625 Combine like terms: 0.5625 + -0.5625 = 0.0000 0.0000 + x = -0.752599661 + -0.5625 x = -0.752599661 + -0.5625 Combine like terms: -0.752599661 + -0.5625 = -1.315099661 x = -1.315099661 Simplifying x = -1.315099661

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.190099661, -1.315099661}

See similar equations:

| (-6x^2-3x+4)-(2x^2-6x-2)= | | 89x^2-60x+85=0 | | ln(x^3)+ln(5)=ln(1000) | | x^2-18x-72=0 | | 11b^2+14b^3=0 | | 10*a/48=32 | | 2x+14=5x+7 | | -7k+4=-9k+5 | | 2x+10=5x-15 | | (4c-5)(5c+6)= | | 7x-2=-2x+8 | | 9x+4y=5.5 | | 8(5x+1)=3x-8x | | 5+45=-5(6x-10) | | 3(2x+5)=-40+37 | | x=x-8/2 | | 0.2x-0.3x+3=4 | | y^4-y-3668=0 | | 4x^2+9y^2-48x+72y+144=0 | | 8x+16=4+44 | | F(x)=2x^2+x+7 | | (2a/-23)^2 | | 9(9x+9)+9=11x-2(x-4) | | (d/-4e^2)^3 | | 8x/15=8/75 | | 0=x^3-1.5x^2-7x+10.5 | | f(x)=x^3-1.5x^2-7x+10.5 | | 0.5x+18=0.75x | | 4.905x^2-43.05x-44=0 | | (x-1)(x+2)(x-2)=y | | 4(x+2)+7=35 | | 17x+11y=14 |

Equations solver categories