2a^2-3a+12=

Simple and best practice solution for 2a^2-3a+12= 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^2-3a+12= equation:


Simplifying
2a2 + -3a + 12 = 0

Reorder the terms:
12 + -3a + 2a2 = 0

Solving
12 + -3a + 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'.
6 + -1.5a + a2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -1.5a + -6 + a2 = 0 + -6

Reorder the terms:
6 + -6 + -1.5a + a2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1.5a + a2 = 0 + -6
-1.5a + a2 = 0 + -6

Combine like terms: 0 + -6 = -6
-1.5a + a2 = -6

The a term is -1.5a.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5a + 0.5625 + a2 = -6 + 0.5625

Reorder the terms:
0.5625 + -1.5a + a2 = -6 + 0.5625

Combine like terms: -6 + 0.5625 = -5.4375
0.5625 + -1.5a + a2 = -5.4375

Factor a perfect square on the left side:
(a + -0.75)(a + -0.75) = -5.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^2+32x+256=0 | | 6x+3y-10+2y-8x+3= | | 8y+7=7y-2 | | -9x+15-2x=4-3x | | y=9-x^2 | | 9/80-51/80= | | 34/43-(-12/34)= | | 19=-5-3X | | 3[9(x+4)+2(x+1)]= | | 8y+7=y-2 | | 81=-9y+6x | | x^3-4x=x^2-4 | | -9+6x=81 | | 63=9-9X | | 1.5(x+8)=7.8+0.9x | | 9[5+3(x+2)]= | | 5c^2=7c | | x^2+6z=-8 | | 3q+2=11 | | x^2+6z+8=0 | | 0.75x-3=0.5x+2 | | 4*8+9(3a+5)+8(2a+1)= | | y=x^2+4-5 | | 6x+1=4-x | | 4e^3x=1064 | | 16w^2+8w+1= | | 2x-5-4x=-3 | | logx=4.25 | | 5x+4x-20=62-(x+2) | | 5x+4(x-20)=62-x+2 | | 6-19=7x-8-6x | | 64a^2-81p^2= |

Equations solver categories