-3x^2+56x+29=0

Simple and best practice solution for -3x^2+56x+29=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 -3x^2+56x+29=0 equation:


Simplifying
-3x2 + 56x + 29 = 0

Reorder the terms:
29 + 56x + -3x2 = 0

Solving
29 + 56x + -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'.
-9.666666667 + -18.66666667x + x2 = 0

Move the constant term to the right:

Add '9.666666667' to each side of the equation.
-9.666666667 + -18.66666667x + 9.666666667 + x2 = 0 + 9.666666667

Reorder the terms:
-9.666666667 + 9.666666667 + -18.66666667x + x2 = 0 + 9.666666667

Combine like terms: -9.666666667 + 9.666666667 = 0.000000000
0.000000000 + -18.66666667x + x2 = 0 + 9.666666667
-18.66666667x + x2 = 0 + 9.666666667

Combine like terms: 0 + 9.666666667 = 9.666666667
-18.66666667x + x2 = 9.666666667

The x term is -18.66666667x.  Take half its coefficient (-9.333333335).
Square it (87.11111114) and add it to both sides.

Add '87.11111114' to each side of the equation.
-18.66666667x + 87.11111114 + x2 = 9.666666667 + 87.11111114

Reorder the terms:
87.11111114 + -18.66666667x + x2 = 9.666666667 + 87.11111114

Combine like terms: 9.666666667 + 87.11111114 = 96.777777807
87.11111114 + -18.66666667x + x2 = 96.777777807

Factor a perfect square on the left side:
(x + -9.333333335)(x + -9.333333335) = 96.777777807

Calculate the square root of the right side: 9.83756971

Break this problem into two subproblems by setting 
(x + -9.333333335) equal to 9.83756971 and -9.83756971.

Subproblem 1

x + -9.333333335 = 9.83756971 Simplifying x + -9.333333335 = 9.83756971 Reorder the terms: -9.333333335 + x = 9.83756971 Solving -9.333333335 + x = 9.83756971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.333333335' to each side of the equation. -9.333333335 + 9.333333335 + x = 9.83756971 + 9.333333335 Combine like terms: -9.333333335 + 9.333333335 = 0.000000000 0.000000000 + x = 9.83756971 + 9.333333335 x = 9.83756971 + 9.333333335 Combine like terms: 9.83756971 + 9.333333335 = 19.170903045 x = 19.170903045 Simplifying x = 19.170903045

Subproblem 2

x + -9.333333335 = -9.83756971 Simplifying x + -9.333333335 = -9.83756971 Reorder the terms: -9.333333335 + x = -9.83756971 Solving -9.333333335 + x = -9.83756971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.333333335' to each side of the equation. -9.333333335 + 9.333333335 + x = -9.83756971 + 9.333333335 Combine like terms: -9.333333335 + 9.333333335 = 0.000000000 0.000000000 + x = -9.83756971 + 9.333333335 x = -9.83756971 + 9.333333335 Combine like terms: -9.83756971 + 9.333333335 = -0.504236375 x = -0.504236375 Simplifying x = -0.504236375

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.170903045, -0.504236375}

See similar equations:

| 2x=5x-90 | | 15x+4=-2x+21 | | 3k^4+10k^3-48k^2=0 | | -3x^2+56t+29=0 | | (3w)w=300 | | 1/18=9.5/x | | 9-(2x-1)=45 | | 8x+4=4x+(-4) | | -5x+3.2=-3.2x+3.6 | | W/2=71 | | f(x)=(x+4)-25 | | 4x/9-7=1 | | .75(h+6)=15 | | 4x-2X+x+59= | | 12(z+2)-4(z-4)=3(z-1)+4(z-3) | | 10-d=-34+5d | | 5(n+8)=n+28 | | 8y+5/4=9y+1/4 | | -6x+3x=8-2x+4+16 | | x+y+x+y+2x+2z= | | 7x+2.0=-4x-5.3 | | 6(4x-9)-7=6(x-3)+65 | | 2x^2+24-60=0 | | 15x+20=20x-5 | | 6(4x-9)-7=6(x-3) | | x^2+6x+-55=0 | | .5(2x-2)=5x+4 | | f(x)=(x+6)-49 | | 48y^2-13y=0 | | -29=5(2a-1)+3 | | 4(x+2)=8(x-1)-12 | | 2n^2+11n-90=0 |

Equations solver categories