12x^2-13x+4=13x^2-5x+1

Simple and best practice solution for 12x^2-13x+4=13x^2-5x+1 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 12x^2-13x+4=13x^2-5x+1 equation:


Simplifying
12x2 + -13x + 4 = 13x2 + -5x + 1

Reorder the terms:
4 + -13x + 12x2 = 13x2 + -5x + 1

Reorder the terms:
4 + -13x + 12x2 = 1 + -5x + 13x2

Solving
4 + -13x + 12x2 = 1 + -5x + 13x2

Solving for variable 'x'.

Reorder the terms:
4 + -1 + -13x + 5x + 12x2 + -13x2 = 1 + -5x + 13x2 + -1 + 5x + -13x2

Combine like terms: 4 + -1 = 3
3 + -13x + 5x + 12x2 + -13x2 = 1 + -5x + 13x2 + -1 + 5x + -13x2

Combine like terms: -13x + 5x = -8x
3 + -8x + 12x2 + -13x2 = 1 + -5x + 13x2 + -1 + 5x + -13x2

Combine like terms: 12x2 + -13x2 = -1x2
3 + -8x + -1x2 = 1 + -5x + 13x2 + -1 + 5x + -13x2

Reorder the terms:
3 + -8x + -1x2 = 1 + -1 + -5x + 5x + 13x2 + -13x2

Combine like terms: 1 + -1 = 0
3 + -8x + -1x2 = 0 + -5x + 5x + 13x2 + -13x2
3 + -8x + -1x2 = -5x + 5x + 13x2 + -13x2

Combine like terms: -5x + 5x = 0
3 + -8x + -1x2 = 0 + 13x2 + -13x2
3 + -8x + -1x2 = 13x2 + -13x2

Combine like terms: 13x2 + -13x2 = 0
3 + -8x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-3 + 8x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + 8x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + 8x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 8x + x2 = 0 + 3
8x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
8x + x2 = 3

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 3 + 16

Reorder the terms:
16 + 8x + x2 = 3 + 16

Combine like terms: 3 + 16 = 19
16 + 8x + x2 = 19

Factor a perfect square on the left side:
(x + 4)(x + 4) = 19

Calculate the square root of the right side: 4.358898944

Break this problem into two subproblems by setting 
(x + 4) equal to 4.358898944 and -4.358898944.

Subproblem 1

x + 4 = 4.358898944 Simplifying x + 4 = 4.358898944 Reorder the terms: 4 + x = 4.358898944 Solving 4 + x = 4.358898944 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 4.358898944 + -4 Combine like terms: 4 + -4 = 0 0 + x = 4.358898944 + -4 x = 4.358898944 + -4 Combine like terms: 4.358898944 + -4 = 0.358898944 x = 0.358898944 Simplifying x = 0.358898944

Subproblem 2

x + 4 = -4.358898944 Simplifying x + 4 = -4.358898944 Reorder the terms: 4 + x = -4.358898944 Solving 4 + x = -4.358898944 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -4.358898944 + -4 Combine like terms: 4 + -4 = 0 0 + x = -4.358898944 + -4 x = -4.358898944 + -4 Combine like terms: -4.358898944 + -4 = -8.358898944 x = -8.358898944 Simplifying x = -8.358898944

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.358898944, -8.358898944}

See similar equations:

| -1.615x^2+38.059x-158.947=0 | | 3/6=y/10 | | -18-6k=61+3k | | 5-n-1= | | -3(28)= | | -2m-5=23 | | 42/j=35/45 | | 12m+18=164 | | 3.22/1.4 | | 2(3x+x)=x+1 | | 5/8-1/6x+1/6-2/9x-4/9=x-4/3x+1/3 | | 55-x=0 | | 9-4d=45 | | 3x-47=-71 | | 3x-4x=16+8x | | 3(4y-5)=68 | | 2x+1=(x-1)+15 | | (20cos^-1(10))/6) | | 3.7+m=2.4 | | 12x+19=12x-1 | | 5n-17=93 | | 44-3x(7+2)= | | 4(6-x)+7(2x+1)= | | 4+3=10+5x | | (14-5i)+(-8+19i)=0 | | N+14=2n | | y=-5x-33 | | 4x^5y^3×3x^8y^7/6x^4y^10 | | (14-5i)+(-8+19i)= | | 49+49= | | 6x-20=3x+45 | | -2-b=30 |

Equations solver categories