(x+1)(x+11)=-14

Simple and best practice solution for (x+1)(x+11)=-14 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+1)(x+11)=-14 equation:


Simplifying
(x + 1)(x + 11) = -14

Reorder the terms:
(1 + x)(x + 11) = -14

Reorder the terms:
(1 + x)(11 + x) = -14

Multiply (1 + x) * (11 + x)
(1(11 + x) + x(11 + x)) = -14
((11 * 1 + x * 1) + x(11 + x)) = -14
((11 + 1x) + x(11 + x)) = -14
(11 + 1x + (11 * x + x * x)) = -14
(11 + 1x + (11x + x2)) = -14

Combine like terms: 1x + 11x = 12x
(11 + 12x + x2) = -14

Solving
11 + 12x + x2 = -14

Solving for variable 'x'.

Reorder the terms:
11 + 14 + 12x + x2 = -14 + 14

Combine like terms: 11 + 14 = 25
25 + 12x + x2 = -14 + 14

Combine like terms: -14 + 14 = 0
25 + 12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 12x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + 12x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 12x + x2 = 0 + -25
12x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
12x + x2 = -25

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -25 + 36

Reorder the terms:
36 + 12x + x2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + 12x + x2 = 11

Factor a perfect square on the left side:
(x + 6)(x + 6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(x + 6) equal to 3.31662479 and -3.31662479.

Subproblem 1

x + 6 = 3.31662479 Simplifying x + 6 = 3.31662479 Reorder the terms: 6 + x = 3.31662479 Solving 6 + x = 3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + x = 3.31662479 + -6 x = 3.31662479 + -6 Combine like terms: 3.31662479 + -6 = -2.68337521 x = -2.68337521 Simplifying x = -2.68337521

Subproblem 2

x + 6 = -3.31662479 Simplifying x + 6 = -3.31662479 Reorder the terms: 6 + x = -3.31662479 Solving 6 + x = -3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + x = -3.31662479 + -6 x = -3.31662479 + -6 Combine like terms: -3.31662479 + -6 = -9.31662479 x = -9.31662479 Simplifying x = -9.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.68337521, -9.31662479}

See similar equations:

| 9+4lnx=14 | | w-4=3 | | (x^2-9)/(x+4)(x+3)=0 | | (2n+6)/3=((9n-4)/5)-n | | -2+15=17x-4-16x | | 5a=4a-7 | | 10=0.3521x^5-7.5096x^4+72.227x^3-329.33x^2+674.35x-412.13 | | X^3-x^2-2x+5=0 | | 7x+18=67 | | 0.1x^2-0.2x-0.1=0 | | (x+4)(x+4)=88 | | x-(2x+1)-8+3=3-(3x+3) | | 10x+16=86 | | 3x+16=37 | | (10n)7= | | 8-(2x+1)-8+3=3-(3x+3) | | 98-9x=4x+7 | | 3.1+(8.6+m)= | | P=5h+5u | | ((x^2-9)/(x^2+7x+12))/((x^2-4x-32)/(x^2-3x)) | | -4n+18=-2n-18 | | 8x+b+4x= | | 1-3.5t=1.4-2.33t+1.5 | | 3f+4k-5f= | | -5=5t+5 | | 8x^4+35x^2+12=0 | | P=10 | | 0=-5p(-3q)+(4m)(-6n) | | 2/3x+4=-26 | | 10x+27=6+17x | | 2(X+7Y)= | | 5t+5(t+3)=195 |

Equations solver categories