x^2+17x-8=12x+12

Simple and best practice solution for x^2+17x-8=12x+12 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 x^2+17x-8=12x+12 equation:


Simplifying
x2 + 17x + -8 = 12x + 12

Reorder the terms:
-8 + 17x + x2 = 12x + 12

Reorder the terms:
-8 + 17x + x2 = 12 + 12x

Solving
-8 + 17x + x2 = 12 + 12x

Solving for variable 'x'.

Reorder the terms:
-8 + -12 + 17x + -12x + x2 = 12 + 12x + -12 + -12x

Combine like terms: -8 + -12 = -20
-20 + 17x + -12x + x2 = 12 + 12x + -12 + -12x

Combine like terms: 17x + -12x = 5x
-20 + 5x + x2 = 12 + 12x + -12 + -12x

Reorder the terms:
-20 + 5x + x2 = 12 + -12 + 12x + -12x

Combine like terms: 12 + -12 = 0
-20 + 5x + x2 = 0 + 12x + -12x
-20 + 5x + x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
-20 + 5x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '20' to each side of the equation.
-20 + 5x + 20 + x2 = 0 + 20

Reorder the terms:
-20 + 20 + 5x + x2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 5x + x2 = 0 + 20
5x + x2 = 0 + 20

Combine like terms: 0 + 20 = 20
5x + x2 = 20

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 20 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 20 + 6.25

Combine like terms: 20 + 6.25 = 26.25
6.25 + 5x + x2 = 26.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 26.25

Calculate the square root of the right side: 5.123475383

Break this problem into two subproblems by setting 
(x + 2.5) equal to 5.123475383 and -5.123475383.

Subproblem 1

x + 2.5 = 5.123475383 Simplifying x + 2.5 = 5.123475383 Reorder the terms: 2.5 + x = 5.123475383 Solving 2.5 + x = 5.123475383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 5.123475383 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 5.123475383 + -2.5 x = 5.123475383 + -2.5 Combine like terms: 5.123475383 + -2.5 = 2.623475383 x = 2.623475383 Simplifying x = 2.623475383

Subproblem 2

x + 2.5 = -5.123475383 Simplifying x + 2.5 = -5.123475383 Reorder the terms: 2.5 + x = -5.123475383 Solving 2.5 + x = -5.123475383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -5.123475383 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -5.123475383 + -2.5 x = -5.123475383 + -2.5 Combine like terms: -5.123475383 + -2.5 = -7.623475383 x = -7.623475383 Simplifying x = -7.623475383

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.623475383, -7.623475383}

See similar equations:

| 3(v+3)-6v= | | -6x+5x+20-9x= | | 3x-2=42x+17 | | 5x-8=21 | | s(t)=t^3+h^2+6 | | 40x^2+68p+24=0 | | 125x^2-25x-210=0 | | 0.20x+0.05(4-x)=0.10(5) | | -8(x+3)+3x+6=6x+7 | | 3(1/3p+1)-5(1-2/5p) | | -8(x+3)+3k+6=6x+7 | | -7(x+5)+5x+8=5x+7 | | 11x-4+3x+10=90 | | X+21+3x=-12-3x-31 | | 19+2x=-8-3x-16 | | 3/4=225/x | | 3(20+h)=90 | | 7x+3=7x | | 100(2+h)=500 | | 10/(2w^2) | | 15(3+t)=75 | | 6x+6y=-30 | | -6s^2+24s-1= | | -10n+5= | | y=8-7/2 | | 289x^2-324=0 | | (1)/(t-1)+(t)/(9t-6)=(1)/(9) | | =9x^3-3x^2+81x-27 | | =18x-63 | | 18x-63= | | =8x^3+28x^2-18x-63 | | 3(3c-4)= |

Equations solver categories