x^2+18x+26=-4x+2

Simple and best practice solution for x^2+18x+26=-4x+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 x^2+18x+26=-4x+2 equation:


Simplifying
x2 + 18x + 26 = -4x + 2

Reorder the terms:
26 + 18x + x2 = -4x + 2

Reorder the terms:
26 + 18x + x2 = 2 + -4x

Solving
26 + 18x + x2 = 2 + -4x

Solving for variable 'x'.

Reorder the terms:
26 + -2 + 18x + 4x + x2 = 2 + -4x + -2 + 4x

Combine like terms: 26 + -2 = 24
24 + 18x + 4x + x2 = 2 + -4x + -2 + 4x

Combine like terms: 18x + 4x = 22x
24 + 22x + x2 = 2 + -4x + -2 + 4x

Reorder the terms:
24 + 22x + x2 = 2 + -2 + -4x + 4x

Combine like terms: 2 + -2 = 0
24 + 22x + x2 = 0 + -4x + 4x
24 + 22x + x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
24 + 22x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + 22x + -24 + x2 = 0 + -24

Reorder the terms:
24 + -24 + 22x + x2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + 22x + x2 = 0 + -24
22x + x2 = 0 + -24

Combine like terms: 0 + -24 = -24
22x + x2 = -24

The x term is 22x.  Take half its coefficient (11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
22x + 121 + x2 = -24 + 121

Reorder the terms:
121 + 22x + x2 = -24 + 121

Combine like terms: -24 + 121 = 97
121 + 22x + x2 = 97

Factor a perfect square on the left side:
(x + 11)(x + 11) = 97

Calculate the square root of the right side: 9.848857802

Break this problem into two subproblems by setting 
(x + 11) equal to 9.848857802 and -9.848857802.

Subproblem 1

x + 11 = 9.848857802 Simplifying x + 11 = 9.848857802 Reorder the terms: 11 + x = 9.848857802 Solving 11 + x = 9.848857802 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 9.848857802 + -11 Combine like terms: 11 + -11 = 0 0 + x = 9.848857802 + -11 x = 9.848857802 + -11 Combine like terms: 9.848857802 + -11 = -1.151142198 x = -1.151142198 Simplifying x = -1.151142198

Subproblem 2

x + 11 = -9.848857802 Simplifying x + 11 = -9.848857802 Reorder the terms: 11 + x = -9.848857802 Solving 11 + x = -9.848857802 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = -9.848857802 + -11 Combine like terms: 11 + -11 = 0 0 + x = -9.848857802 + -11 x = -9.848857802 + -11 Combine like terms: -9.848857802 + -11 = -20.848857802 x = -20.848857802 Simplifying x = -20.848857802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.151142198, -20.848857802}

See similar equations:

| x^2(x+9)=400 | | log[5](x+5)-log[5](x-5)=2 | | 5-(f+3)=-1+2(f-3) | | -3k(k^(7/5)-4k^(2/5)) | | sin^2x=-sinx | | 9x+5y=18 | | (8x*3y+67)=d | | 2=a/5 | | x(x-3)/2=2700 | | (-4ax)(3xy)= | | ((42x^7y)/(3xy4))*((6x^3y^4)/(7y^3x^5)) | | n(n-3)/2=2700 | | 10*x-3*x^2=0 | | -7=3*cos*2*x+7*sin*x | | x/24=5/8 | | 2x+4xy-4xy= | | 3x-12=4x+11 | | (1-x)*((2x-x^2)^1/2) | | 35/4=7/x | | 2x(2y+1)= | | S^2=-45-14s | | 2sin^2x-15sinx+7=0 | | -7y-4=4-5y+5y | | -10x+10y=15 | | 77=7j | | 2x+40=12x+70 | | 6x-14=7x+3 | | 12/15=x/3 | | 4cos^2=3 | | f(x)=9ln(x) | | 25/x=5/12 | | t*4-1=15 |

Equations solver categories