3x^2+3x=-5

Simple and best practice solution for 3x^2+3x=-5 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+3x=-5 equation:


Simplifying
3x2 + 3x = -5

Reorder the terms:
3x + 3x2 = -5

Solving
3x + 3x2 = -5

Solving for variable 'x'.

Reorder the terms:
5 + 3x + 3x2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + 3x + 3x2 = 0

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

Divide each side by '3'.
1.666666667 + x + x2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + x + -1.666666667 + x2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + x + x2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + x + x2 = 0 + -1.666666667
x + x2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
x + x2 = -1.666666667

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = -1.666666667 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = -1.666666667 + 0.25

Combine like terms: -1.666666667 + 0.25 = -1.416666667
1.25 + x2 = -1.416666667

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -1.416666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -4+7a=-4-4(1-2a) | | 3x+y+3=26 | | x^3-13xL^2+30x=0 | | 6-3t=8t-14 | | 0.5+d=-31/5 | | 1.4z+8=12 | | 1132=16+19t+167t | | f(x)=x^4-5x^2+2 | | x=2f-3b*a | | 4(5)-2y=14 | | 10-4y=-5 | | 2x(x+5)-3(x^2+2x-1)=9-5x-x^2 | | -4+7a=-4-(1-2a) | | 4(3X-1)-8X=-8 | | -6+5=x-23 | | 7y-4=3x+16 | | -10x-42=128 | | 8-6(4d+18)=-19-18-17d | | 4(-14+4y)-2y=14 | | 4(20x+50)=840 | | 2k-6k=3(7-2k)-7(8k+3) | | 4.5b-5.25b+3=3.75 | | (x^2-2x-2)(x^2-12x+37)=0 | | y=9.5(20)+100 | | 12x=46-6x | | 50-3x=15+2x | | 4.5+5.25+3=3.75 | | 4x+17=-2x+3 | | 2x^2-14=-64 | | 3x-5=6x-5 | | 92-20=9h | | y=9.5x+100 |

Equations solver categories