3x^2+2x+10=-8

Simple and best practice solution for 3x^2+2x+10=-8 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+2x+10=-8 equation:


Simplifying
3x2 + 2x + 10 = -8

Reorder the terms:
10 + 2x + 3x2 = -8

Solving
10 + 2x + 3x2 = -8

Solving for variable 'x'.

Reorder the terms:
10 + 8 + 2x + 3x2 = -8 + 8

Combine like terms: 10 + 8 = 18
18 + 2x + 3x2 = -8 + 8

Combine like terms: -8 + 8 = 0
18 + 2x + 3x2 = 0

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

Divide each side by '3'.
6 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + 0.6666666667x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + 0.6666666667x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 0.6666666667x + x2 = 0 + -6
0.6666666667x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
0.6666666667x + x2 = -6

The x term is 0.6666666667x.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667x + 0.1111111112 + x2 = -6 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -6 + 0.1111111112

Combine like terms: -6 + 0.1111111112 = -5.8888888888
0.1111111112 + 0.6666666667x + x2 = -5.8888888888

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -5.8888888888

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| X-5=4x-7 | | X=y^2+50 | | X-5=-4x-10 | | 45x-9xy= | | Log^9(x^2+7)=log^9(43) | | 8,2/3=-1.333333333333333333333333g | | x^4+4x^2+-45=0 | | 4-3(x+2)=x-(-2) | | 32-5x=12-10x | | 19(3)=x | | (2x+5)(3x-2)=20 | | w^2+8w+7= | | (1.2)2=1.44 | | (2x+8)(8x-2)=0 | | [x-2]+5=17 | | 19x+3y=90 | | (x+1)(x+15)=0 | | -27x^2+7=0 | | 89x=1 | | w(w+17)=110 | | h(t)=#8722;16t2+636t+160 | | 3y+6=12x-3 | | (8m^2-5m+3n)+(-8m^2)+4n^2=0 | | x+8=x-9 | | 4x-12=9x-18 | | 2a^2-12a+16= | | 3x-3+x=4x+8 | | b-12=-6 | | 3y^2-57y+8=0 | | 3(4-5k)=-4 | | 7x+2x+6=31 | | 6x+4x+10=-60 |

Equations solver categories