a^2+14=-11a

Simple and best practice solution for a^2+14=-11a 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 a^2+14=-11a equation:


Simplifying
a2 + 14 = -11a

Reorder the terms:
14 + a2 = -11a

Solving
14 + a2 = -11a

Solving for variable 'a'.

Reorder the terms:
14 + 11a + a2 = -11a + 11a

Combine like terms: -11a + 11a = 0
14 + 11a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + 11a + -14 + a2 = 0 + -14

Reorder the terms:
14 + -14 + 11a + a2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 11a + a2 = 0 + -14
11a + a2 = 0 + -14

Combine like terms: 0 + -14 = -14
11a + a2 = -14

The a term is 11a.  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.
11a + 30.25 + a2 = -14 + 30.25

Reorder the terms:
30.25 + 11a + a2 = -14 + 30.25

Combine like terms: -14 + 30.25 = 16.25
30.25 + 11a + a2 = 16.25

Factor a perfect square on the left side:
(a + 5.5)(a + 5.5) = 16.25

Calculate the square root of the right side: 4.031128874

Break this problem into two subproblems by setting 
(a + 5.5) equal to 4.031128874 and -4.031128874.

Subproblem 1

a + 5.5 = 4.031128874 Simplifying a + 5.5 = 4.031128874 Reorder the terms: 5.5 + a = 4.031128874 Solving 5.5 + a = 4.031128874 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + a = 4.031128874 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + a = 4.031128874 + -5.5 a = 4.031128874 + -5.5 Combine like terms: 4.031128874 + -5.5 = -1.468871126 a = -1.468871126 Simplifying a = -1.468871126

Subproblem 2

a + 5.5 = -4.031128874 Simplifying a + 5.5 = -4.031128874 Reorder the terms: 5.5 + a = -4.031128874 Solving 5.5 + a = -4.031128874 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + a = -4.031128874 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + a = -4.031128874 + -5.5 a = -4.031128874 + -5.5 Combine like terms: -4.031128874 + -5.5 = -9.531128874 a = -9.531128874 Simplifying a = -9.531128874

Solution

The solution to the problem is based on the solutions from the subproblems. a = {-1.468871126, -9.531128874}

See similar equations:

| 4=-0.2x+50 | | (2x-9)+(10x+10)= | | 7+4w=-1 | | 8-2n=-32-6n | | 48/66 | | 4x^2+1x+3=0 | | 9/26=1.12/3.24 | | 5(m+4)=40 | | 14+11a+a^2=0 | | -3/8(-4 | | 25/75=z/30 | | x^2-6x-13=-8 | | 16+8m+m^2=0 | | (2x-1)-(x-7)=3 | | 10x+4=2x-20 | | 12x+17=-1+14 | | 30-11r+r^2=0 | | -13=-91 | | 3x+4(2x-3)=21 | | 9/a=81/10 | | 3+5v+2v^2=0 | | M+6=-2m | | 6(2x-3)=(5x+7) | | x+.1x=800 | | h=5t^2+30t+25 | | 24=6-12x+6x | | X/20=7/30 | | X/20=7/20 | | 61=5 | | -42/5=6/5(x-1) | | 12h=9h-84 | | 2(4x-1)-3x=8 |

Equations solver categories