4x^2-14x+5-11x-13x^2=

Simple and best practice solution for 4x^2-14x+5-11x-13x^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 4x^2-14x+5-11x-13x^2= equation:


Simplifying
4x2 + -14x + 5 + -11x + -13x2 = 0

Reorder the terms:
5 + -14x + -11x + 4x2 + -13x2 = 0

Combine like terms: -14x + -11x = -25x
5 + -25x + 4x2 + -13x2 = 0

Combine like terms: 4x2 + -13x2 = -9x2
5 + -25x + -9x2 = 0

Solving
5 + -25x + -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'.
-0.5555555556 + 2.777777778x + x2 = 0

Move the constant term to the right:

Add '0.5555555556' to each side of the equation.
-0.5555555556 + 2.777777778x + 0.5555555556 + x2 = 0 + 0.5555555556

Reorder the terms:
-0.5555555556 + 0.5555555556 + 2.777777778x + x2 = 0 + 0.5555555556

Combine like terms: -0.5555555556 + 0.5555555556 = 0.0000000000
0.0000000000 + 2.777777778x + x2 = 0 + 0.5555555556
2.777777778x + x2 = 0 + 0.5555555556

Combine like terms: 0 + 0.5555555556 = 0.5555555556
2.777777778x + x2 = 0.5555555556

The x term is 2.777777778x.  Take half its coefficient (1.388888889).
Square it (1.929012346) and add it to both sides.

Add '1.929012346' to each side of the equation.
2.777777778x + 1.929012346 + x2 = 0.5555555556 + 1.929012346

Reorder the terms:
1.929012346 + 2.777777778x + x2 = 0.5555555556 + 1.929012346

Combine like terms: 0.5555555556 + 1.929012346 = 2.4845679016
1.929012346 + 2.777777778x + x2 = 2.4845679016

Factor a perfect square on the left side:
(x + 1.388888889)(x + 1.388888889) = 2.4845679016

Calculate the square root of the right side: 1.576251218

Break this problem into two subproblems by setting 
(x + 1.388888889) equal to 1.576251218 and -1.576251218.

Subproblem 1

x + 1.388888889 = 1.576251218 Simplifying x + 1.388888889 = 1.576251218 Reorder the terms: 1.388888889 + x = 1.576251218 Solving 1.388888889 + x = 1.576251218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.388888889' to each side of the equation. 1.388888889 + -1.388888889 + x = 1.576251218 + -1.388888889 Combine like terms: 1.388888889 + -1.388888889 = 0.000000000 0.000000000 + x = 1.576251218 + -1.388888889 x = 1.576251218 + -1.388888889 Combine like terms: 1.576251218 + -1.388888889 = 0.187362329 x = 0.187362329 Simplifying x = 0.187362329

Subproblem 2

x + 1.388888889 = -1.576251218 Simplifying x + 1.388888889 = -1.576251218 Reorder the terms: 1.388888889 + x = -1.576251218 Solving 1.388888889 + x = -1.576251218 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.388888889' to each side of the equation. 1.388888889 + -1.388888889 + x = -1.576251218 + -1.388888889 Combine like terms: 1.388888889 + -1.388888889 = 0.000000000 0.000000000 + x = -1.576251218 + -1.388888889 x = -1.576251218 + -1.388888889 Combine like terms: -1.576251218 + -1.388888889 = -2.965140107 x = -2.965140107 Simplifying x = -2.965140107

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.187362329, -2.965140107}

See similar equations:

| 8*3+(3-1)= | | 2x^2-5x-28= | | 9x-(6x-3)=18 | | -9(6+u)-2u=-20 | | 12=-4(x-3)+15 | | 2x+6-5(x+1)=5x+4 | | 8x(5x-6)= | | x-5=x/12 | | X/-3=28 | | x^2+y^2-6y+1=0 | | 5x+7x+x=91 | | -x-6=2x+21 | | 2x-3x+30=0 | | 12x+2=2x+82 | | 10-2(3x-7)=3+(5x+9) | | 9x+7=4x+2 | | 5x-6=45x+25 | | -31=8+6p+7p | | (x+6)(x+1)=14 | | 16x^3-25x^3=0 | | 5n-3-10=-4+6n | | z/-4=5 | | f(x)=2x^2+16x-10 | | 29=-8t-5 | | 2/y-2/y-3=3 | | 0.05x+0.10(400-x)=0.45x | | 8=18+2c | | 3n+8-n=8 | | 6m+ym=t | | 7(x)=364 | | -18v=-141 | | 9x+5y-3=0 |

Equations solver categories