x^2+11x-10=180

Simple and best practice solution for x^2+11x-10=180 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+11x-10=180 equation:


Simplifying
x2 + 11x + -10 = 180

Reorder the terms:
-10 + 11x + x2 = 180

Solving
-10 + 11x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-10 + -180 + 11x + x2 = 180 + -180

Combine like terms: -10 + -180 = -190
-190 + 11x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-190 + 11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '190' to each side of the equation.
-190 + 11x + 190 + x2 = 0 + 190

Reorder the terms:
-190 + 190 + 11x + x2 = 0 + 190

Combine like terms: -190 + 190 = 0
0 + 11x + x2 = 0 + 190
11x + x2 = 0 + 190

Combine like terms: 0 + 190 = 190
11x + x2 = 190

The x term is 11x.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x + 30.25 + x2 = 190 + 30.25

Reorder the terms:
30.25 + 11x + x2 = 190 + 30.25

Combine like terms: 190 + 30.25 = 220.25
30.25 + 11x + x2 = 220.25

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = 220.25

Calculate the square root of the right side: 14.84082208

Break this problem into two subproblems by setting 
(x + 5.5) equal to 14.84082208 and -14.84082208.

Subproblem 1

x + 5.5 = 14.84082208 Simplifying x + 5.5 = 14.84082208 Reorder the terms: 5.5 + x = 14.84082208 Solving 5.5 + x = 14.84082208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 14.84082208 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 14.84082208 + -5.5 x = 14.84082208 + -5.5 Combine like terms: 14.84082208 + -5.5 = 9.34082208 x = 9.34082208 Simplifying x = 9.34082208

Subproblem 2

x + 5.5 = -14.84082208 Simplifying x + 5.5 = -14.84082208 Reorder the terms: 5.5 + x = -14.84082208 Solving 5.5 + x = -14.84082208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -14.84082208 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -14.84082208 + -5.5 x = -14.84082208 + -5.5 Combine like terms: -14.84082208 + -5.5 = -20.34082208 x = -20.34082208 Simplifying x = -20.34082208

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.34082208, -20.34082208}

See similar equations:

| R+2r+3r-7= | | 19x+9=-2 | | 8x+12=44+4c | | (K+7)squared=289 | | x-bx=-4 | | (K+7)squared=288 | | 40+12x=-122+6x | | a^2-14ag+49g^2= | | 2x^2+x-40=180 | | 3(10-9x)=x-96 | | 13m+6m=7m+9m+7 | | 17+x-14=-12 | | -10x-20=-11x+5 | | 4y^4=128 | | -31=2x-3(-2x-3) | | x+4+x+x+4+x=2x+2x+2x+2x | | -55+8x=2x+29 | | 6+6+4+12+2x-1=x+5+x+8+x+9 | | -5x-37=-3x+13 | | 8+17x+3x^2=0 | | 817x+3x^2=0 | | 4x-8=8-12 | | a^2=(2-a^3)-a(2a-a^4) | | 2=1/3y=1 | | 4n-5=3x+2 | | 19=-5x-3(-5x+17) | | 5x-30=-x-30 | | 10+7=18 | | (r-3t)=2 | | X-85=2/4 | | (6x)+(4x)=180 | | X=y^2-2y+5 |

Equations solver categories