2x^2-11x+16=x^2+12x+36

Simple and best practice solution for 2x^2-11x+16=x^2+12x+36 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 2x^2-11x+16=x^2+12x+36 equation:


Simplifying
2x2 + -11x + 16 = x2 + 12x + 36

Reorder the terms:
16 + -11x + 2x2 = x2 + 12x + 36

Reorder the terms:
16 + -11x + 2x2 = 36 + 12x + x2

Solving
16 + -11x + 2x2 = 36 + 12x + x2

Solving for variable 'x'.

Reorder the terms:
16 + -36 + -11x + -12x + 2x2 + -1x2 = 36 + 12x + x2 + -36 + -12x + -1x2

Combine like terms: 16 + -36 = -20
-20 + -11x + -12x + 2x2 + -1x2 = 36 + 12x + x2 + -36 + -12x + -1x2

Combine like terms: -11x + -12x = -23x
-20 + -23x + 2x2 + -1x2 = 36 + 12x + x2 + -36 + -12x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-20 + -23x + 1x2 = 36 + 12x + x2 + -36 + -12x + -1x2

Reorder the terms:
-20 + -23x + 1x2 = 36 + -36 + 12x + -12x + x2 + -1x2

Combine like terms: 36 + -36 = 0
-20 + -23x + 1x2 = 0 + 12x + -12x + x2 + -1x2
-20 + -23x + 1x2 = 12x + -12x + x2 + -1x2

Combine like terms: 12x + -12x = 0
-20 + -23x + 1x2 = 0 + x2 + -1x2
-20 + -23x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-20 + -23x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '20' to each side of the equation.
-20 + -23x + 20 + x2 = 0 + 20

Reorder the terms:
-20 + 20 + -23x + x2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -23x + x2 = 0 + 20
-23x + x2 = 0 + 20

Combine like terms: 0 + 20 = 20
-23x + x2 = 20

The x term is -23x.  Take half its coefficient (-11.5).
Square it (132.25) and add it to both sides.

Add '132.25' to each side of the equation.
-23x + 132.25 + x2 = 20 + 132.25

Reorder the terms:
132.25 + -23x + x2 = 20 + 132.25

Combine like terms: 20 + 132.25 = 152.25
132.25 + -23x + x2 = 152.25

Factor a perfect square on the left side:
(x + -11.5)(x + -11.5) = 152.25

Calculate the square root of the right side: 12.338962679

Break this problem into two subproblems by setting 
(x + -11.5) equal to 12.338962679 and -12.338962679.

Subproblem 1

x + -11.5 = 12.338962679 Simplifying x + -11.5 = 12.338962679 Reorder the terms: -11.5 + x = 12.338962679 Solving -11.5 + x = 12.338962679 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = 12.338962679 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = 12.338962679 + 11.5 x = 12.338962679 + 11.5 Combine like terms: 12.338962679 + 11.5 = 23.838962679 x = 23.838962679 Simplifying x = 23.838962679

Subproblem 2

x + -11.5 = -12.338962679 Simplifying x + -11.5 = -12.338962679 Reorder the terms: -11.5 + x = -12.338962679 Solving -11.5 + x = -12.338962679 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = -12.338962679 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = -12.338962679 + 11.5 x = -12.338962679 + 11.5 Combine like terms: -12.338962679 + 11.5 = -0.838962679 x = -0.838962679 Simplifying x = -0.838962679

Solution

The solution to the problem is based on the solutions from the subproblems. x = {23.838962679, -0.838962679}

See similar equations:

| x/x-3 | | 6y-2x=-4 | | -7/10=3a/4-13/20 | | 2a+3=a-12 | | x/(9/5)=112 | | 7x-3y=-29 | | 1/2s=4s-21 | | a+98=2 | | 60/15 | | -3c+15=8 | | 15/60 | | 344+32y-4y=92 | | 42/100 | | 6x-3y=7 | | 66-7x=2x+17 | | 2(x+1)/6=3x-2 | | h(x)=3x^2-24x+15 | | 7(3n-1)=(9n+9)+3 | | 7c+51=0 | | 3x-7y=7 | | 9/2+5/2y=2y-3 | | 3(7-x)=27 | | x^2-2x/3=0 | | 7c+51=96 | | 3(x-3)+7=5x-2(2+x) | | 5x=7.3+4c | | 8a-2=12a | | x/7-1=x/9+3 | | 3110/1.50 | | 20x+51=x^2 | | 4x+3=2(4-x) | | 6x-18=6x-4 |

Equations solver categories