38=-11a-a^2

Simple and best practice solution for 38=-11a-a^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 38=-11a-a^2 equation:


Simplifying
38 = -11a + -1a2

Solving
38 = -11a + -1a2

Solving for variable 'a'.

Reorder the terms:
38 + 11a + a2 = -11a + 11a + -1a2 + a2

Combine like terms: -11a + 11a = 0
38 + 11a + a2 = 0 + -1a2 + a2
38 + 11a + a2 = -1a2 + a2

Combine like terms: -1a2 + a2 = 0
38 + 11a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-38' to each side of the equation.
38 + 11a + -38 + a2 = 0 + -38

Reorder the terms:
38 + -38 + 11a + a2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + 11a + a2 = 0 + -38
11a + a2 = 0 + -38

Combine like terms: 0 + -38 = -38
11a + a2 = -38

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 = -38 + 30.25

Reorder the terms:
30.25 + 11a + a2 = -38 + 30.25

Combine like terms: -38 + 30.25 = -7.75
30.25 + 11a + a2 = -7.75

Factor a perfect square on the left side:
(a + 5.5)(a + 5.5) = -7.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3/4w=1/5 | | 15=7.5 | | 11v^2-15v+132=10v^2 | | 6(x+-1)=2+8x | | x/1.2=5 | | x+1/2-1=7 | | 3x-15/3=5 | | 48+9(y-7)= | | x/3.7=2.1 | | 3x-7+2x=13 | | 3x/2-3=3 | | 2n^2+12n+36=-7 | | m+(-4.4)=-3.6 | | (3+4x)(5+6x)= | | 4-6x=3x+11 | | 2.1*4.1= | | 0.5x^2+x+0.5=0 | | 3(x-5)+8=-(2-x)-25 | | -2.1x=14 | | p^2+6p-41=0 | | 3x+12=7(2x-3) | | 10x+2x=10x | | 5sinx-4=since | | 2s+4s=2s | | X-1/10=x-9/2 | | w-8.1=6.4 | | 1982.596=2*3.14*8.2*8.2+2*3.14*8.2*h | | t*3-8=9 | | 2x^3-10x^2-71x-9=0 | | a*6+8=13 | | 4n+73=5 | | 4x+6=-54-8 |

Equations solver categories