2.9x+-4.905x^2-1.3=0

Simple and best practice solution for 2.9x+-4.905x^2-1.3=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 2.9x+-4.905x^2-1.3=0 equation: 


Simplifying
2.9x + -4.905x2 + -1.3 = 0

Reorder the terms:
-1.3 + 2.9x + -4.905x2 = 0

Solving
-1.3 + 2.9x + -4.905x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4.905 the coefficient of the squared term: 

Divide each side by '-4.905'.
0.2650356779 + -0.5912334353x + x2 = 0

Move the constant term to the right:

Add '-0.2650356779' to each side of the equation.
0.2650356779 + -0.5912334353x + -0.2650356779 + x2 = 0 + -0.2650356779

Reorder the terms:
0.2650356779 + -0.2650356779 + -0.5912334353x + x2 = 0 + -0.2650356779

Combine like terms: 0.2650356779 + -0.2650356779 = 0.0000000000
0.0000000000 + -0.5912334353x + x2 = 0 + -0.2650356779
-0.5912334353x + x2 = 0 + -0.2650356779

Combine like terms: 0 + -0.2650356779 = -0.2650356779
-0.5912334353x + x2 = -0.2650356779

The x term is -0.5912334353x.  Take half its coefficient (-0.2956167177).
Square it (0.08738924378) and add it to both sides.

Add '0.08738924378' to each side of the equation.
-0.5912334353x + 0.08738924378 + x2 = -0.2650356779 + 0.08738924378

Reorder the terms:
0.08738924378 + -0.5912334353x + x2 = -0.2650356779 + 0.08738924378

Combine like terms: -0.2650356779 + 0.08738924378 = -0.17764643412
0.08738924378 + -0.5912334353x + x2 = -0.17764643412

Factor a perfect square on the left side:
(x + -0.2956167177)(x + -0.2956167177) = -0.17764643412

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 41=12d-17 | | X(9x+10)=4x^2-26x+32 | | 10x-4=70 | | 7f+13= | | 5x^2-2x-304=0 | | 30=5x+1 | | 4x^2+20x=-19 | | 120x=23 | | -2=8+3x | | 111x^2=14 | | 28=2w+10 | | 4(x-3)-6=-2(-9x+7)-4x | | 2n+12=-8-2n | | -36x+36y=29 | | 21b=b+45 | | 73=5w+8 | | 9x-9y=-7 | | 6=30b | | -3(2v-4)+4v=4+2(4v-4) | | 71=11-(6z-3) | | -5(1+3p)-4= | | 24-6sec^2(x)=0 | | 4=12b | | 4+8z-1=7z+21-5z | | 3(x-1)=9x+7-4(-2x-2) | | t-9+3t=3(2t-7) | | 5-3(3-2x)=14 | | 10c-20+3+15c=-5c+43 | | Y=SQRT(4) | | 9p+4p= | | -2(3u-1)+9u=-3(u+4) | | 10c-20+3+15=-5c+43 |

Equations solver categories