3x^2+2x+45=0

Simple and best practice solution for 3x^2+2x+45=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+2x+45=0 equation:


Simplifying
3x2 + 2x + 45 = 0

Reorder the terms:
45 + 2x + 3x2 = 0

Solving
45 + 2x + 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'.
15 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + 0.6666666667x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + 0.6666666667x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 0.6666666667x + x2 = 0 + -15
0.6666666667x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
0.6666666667x + x2 = -15

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 = -15 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -15 + 0.1111111112

Combine like terms: -15 + 0.1111111112 = -14.8888888888
0.1111111112 + 0.6666666667x + x2 = -14.8888888888

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -14.8888888888

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6a+4/24=18 | | 24x-48=24x+6 | | 4t^2+36t+81=0 | | (1-2/3y)=(9/5-1/5y+3/5) | | 10-(7x+6)=-80 | | 2(6y-4)9(2y+5) | | 400=9m | | 7n=12n+10 | | 9x+3x=-192 | | x/14-19=17 | | 7-4.9t=15+7.6 | | 3/4+1/4m=3/4m-2/3h | | 5(4x)=60 | | -48f+6.4=-8.48 | | 9x-8x-2=7 | | 4x11/8 | | 2(5-10)=x-3 | | -1+3+y=-1+8 | | -28+6+x=-3+11 | | 7q=63 | | n+28=-58 | | 4/x+9 | | m-24=2 | | 8=8*10(10+8) | | x^2-4+8x+c=0 | | 3+5n=28 | | y^3+y^2-16y-16=0 | | 13x+2x=-165 | | 6x-4x=2 | | 7x+187=3x+159 | | 5(4x)=40 | | 4.6x+3.3=0.2 |

Equations solver categories