3x^2+12x+53=

Simple and best practice solution for 3x^2+12x+53= 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 3x^2+12x+53= equation:


Simplifying
3x2 + 12x + 53 = 0

Reorder the terms:
53 + 12x + 3x2 = 0

Solving
53 + 12x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
17.66666667 + 4x + x2 = 0

Move the constant term to the right:

Add '-17.66666667' to each side of the equation.
17.66666667 + 4x + -17.66666667 + x2 = 0 + -17.66666667

Reorder the terms:
17.66666667 + -17.66666667 + 4x + x2 = 0 + -17.66666667

Combine like terms: 17.66666667 + -17.66666667 = 0.00000000
0.00000000 + 4x + x2 = 0 + -17.66666667
4x + x2 = 0 + -17.66666667

Combine like terms: 0 + -17.66666667 = -17.66666667
4x + x2 = -17.66666667

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -17.66666667 + 4

Reorder the terms:
4 + 4x + x2 = -17.66666667 + 4

Combine like terms: -17.66666667 + 4 = -13.66666667
4 + 4x + x2 = -13.66666667

Factor a perfect square on the left side:
(x + 2)(x + 2) = -13.66666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 61-81v^2=0 | | 61-81v^2=0 | | 3y+40=70 | | x^2-.2x-8.4=0 | | 3w+3=9 | | 3 w+ 3= 9 | | 81u^2+36u+4=0 | | 2v+6=-4(v+3) | | x^3-3x^2-600=0 | | 4a-(2a+4)= | | v^2+14vy+49y^2=0 | | 4(6x+10)=-8(-4x+7) | | -3(x-5)=x-13 | | -(1x-2)-6.5=2.5x+19 | | 6x+17=15x-111 | | 2x+8=4(x-3) | | 2v+6=-4(1v+3) | | 4z=-40 | | x+35=84-74 | | 180-x=2(x+20) | | 180x=2(x+20) | | -5.7p+10.16=-65.08 | | x+20=180-2(x+20) | | 2[x+3]=-4[x+1] | | -3b+ax=x-4 | | x+20=180-(x+20) | | 147-3b^2=0 | | (2b^5-5b^4+8b^3-12b^2+12b-9)= | | 15y-16=7y-15 | | 0.2n+3= | | 3(2x+5)=5x+12 | | 7[3-(-4x-1)]=252x+84 |

Equations solver categories