2a^2-13a+108=0

Simple and best practice solution for 2a^2-13a+108=0 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 2a^2-13a+108=0 equation:


Simplifying
2a2 + -13a + 108 = 0

Reorder the terms:
108 + -13a + 2a2 = 0

Solving
108 + -13a + 2a2 = 0

Solving for variable 'a'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
54 + -6.5a + a2 = 0

Move the constant term to the right:

Add '-54' to each side of the equation.
54 + -6.5a + -54 + a2 = 0 + -54

Reorder the terms:
54 + -54 + -6.5a + a2 = 0 + -54

Combine like terms: 54 + -54 = 0
0 + -6.5a + a2 = 0 + -54
-6.5a + a2 = 0 + -54

Combine like terms: 0 + -54 = -54
-6.5a + a2 = -54

The a term is -6.5a.  Take half its coefficient (-3.25).
Square it (10.5625) and add it to both sides.

Add '10.5625' to each side of the equation.
-6.5a + 10.5625 + a2 = -54 + 10.5625

Reorder the terms:
10.5625 + -6.5a + a2 = -54 + 10.5625

Combine like terms: -54 + 10.5625 = -43.4375
10.5625 + -6.5a + a2 = -43.4375

Factor a perfect square on the left side:
(a + -3.25)(a + -3.25) = -43.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| L-12.5=48.6 | | 3x+=25 | | 84.5=103.25 | | n=6.6 | | 0=y-18xy-3y^2 | | 2x^2+150x-7900=0 | | x+n=231 | | -4n+7+6n=11 | | xy=3x-4 | | 6+z=10 | | 2x+3=x^2+3x+2 | | N84.58/103.25 | | -3-7(7x-3)=116 | | 18a^3b^5+23ab+5=0 | | 5X+4X+2+3X+10=180 | | 12y/6y | | f+8=18 | | 1/125=5x | | 14+2(4*4-3)=40 | | 7x+3x=9x+9 | | 7x-5+2x+5=180 | | 2/3x×5/9x=3 | | 3/8-2x | | 5x+4+4x=-104 | | x+1+x+2=0 | | 6(9)-2(9-5)=46 | | -2x+20=0 | | 83=q-17 | | 83=y-17 | | 2x+30=2x-35+x+15 | | y=5ln(x+3) | | -15=2t-21 |

Equations solver categories