9x^2-4x+4=-12+3

Simple and best practice solution for 9x^2-4x+4=-12+3 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 9x^2-4x+4=-12+3 equation: 


Simplifying
9x2 + -4x + 4 = -12 + 3

Reorder the terms:
4 + -4x + 9x2 = -12 + 3

Combine like terms: -12 + 3 = -9
4 + -4x + 9x2 = -9

Solving
4 + -4x + 9x2 = -9

Solving for variable 'x'.

Reorder the terms:
4 + 9 + -4x + 9x2 = -9 + 9

Combine like terms: 4 + 9 = 13
13 + -4x + 9x2 = -9 + 9

Combine like terms: -9 + 9 = 0
13 + -4x + 9x2 = 0

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

Divide each side by '9'.
1.444444444 + -0.4444444444x + x2 = 0

Move the constant term to the right:

Add '-1.444444444' to each side of the equation.
1.444444444 + -0.4444444444x + -1.444444444 + x2 = 0 + -1.444444444

Reorder the terms:
1.444444444 + -1.444444444 + -0.4444444444x + x2 = 0 + -1.444444444

Combine like terms: 1.444444444 + -1.444444444 = 0.000000000
0.000000000 + -0.4444444444x + x2 = 0 + -1.444444444
-0.4444444444x + x2 = 0 + -1.444444444

Combine like terms: 0 + -1.444444444 = -1.444444444
-0.4444444444x + x2 = -1.444444444

The x term is -0.4444444444x.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444x + 0.04938271604 + x2 = -1.444444444 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444x + x2 = -1.444444444 + 0.04938271604

Combine like terms: -1.444444444 + 0.04938271604 = -1.39506172796
0.04938271604 + -0.4444444444x + x2 = -1.39506172796

Factor a perfect square on the left side:
(x + -0.2222222222)(x + -0.2222222222) = -1.39506172796

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1.6+.4x=.8x-7.6 | | -(x^7-1)=125 | | x-(.06x)=9850 | | 1.8+.5x=.8x+2.4 | | 12v-4v=48 | | p+.08p=151.2 | | 56-15m+m^2=equation | | 7t+3+6t=68 | | .15p-2.5=3.5 | | 3a+5b=17.0 | | 11=f+-55 | | 28+19x=-8+15y | | 2h+12=66 | | 28+29x=-8+15y | | 4+4x=-16+-1x | | 13=-2e+29 | | 7n^2+8n=0 | | 6p+8-4p+3p=28 | | -2(5x+1)=-12 | | 3w=14+w | | 3y=72-6y | | -2=15x-4 | | 6.51=2.1t | | x^8=54 | | 3x-4=50-9x | | x^8=54-5i | | 15.3+1h=1.3-1h | | -99=6g | | 2w+2(2w+6)=34 | | 5x-3+2x=53 | | 10x=77 | | 8x+4-5x=16 |

Equations solver categories