3x^2+17x+9.3=0

Simple and best practice solution for 3x^2+17x+9.3=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+17x+9.3=0 equation:


Simplifying
3x2 + 17x + 9.3 = 0

Reorder the terms:
9.3 + 17x + 3x2 = 0

Solving
9.3 + 17x + 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'.
3.1 + 5.666666667x + x2 = 0

Move the constant term to the right:

Add '-3.1' to each side of the equation.
3.1 + 5.666666667x + -3.1 + x2 = 0 + -3.1

Reorder the terms:
3.1 + -3.1 + 5.666666667x + x2 = 0 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + 5.666666667x + x2 = 0 + -3.1
5.666666667x + x2 = 0 + -3.1

Combine like terms: 0 + -3.1 = -3.1
5.666666667x + x2 = -3.1

The x term is 5.666666667x.  Take half its coefficient (2.833333334).
Square it (8.027777782) and add it to both sides.

Add '8.027777782' to each side of the equation.
5.666666667x + 8.027777782 + x2 = -3.1 + 8.027777782

Reorder the terms:
8.027777782 + 5.666666667x + x2 = -3.1 + 8.027777782

Combine like terms: -3.1 + 8.027777782 = 4.927777782
8.027777782 + 5.666666667x + x2 = 4.927777782

Factor a perfect square on the left side:
(x + 2.833333334)(x + 2.833333334) = 4.927777782

Calculate the square root of the right side: 2.219859856

Break this problem into two subproblems by setting 
(x + 2.833333334) equal to 2.219859856 and -2.219859856.

Subproblem 1

x + 2.833333334 = 2.219859856 Simplifying x + 2.833333334 = 2.219859856 Reorder the terms: 2.833333334 + x = 2.219859856 Solving 2.833333334 + x = 2.219859856 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.833333334' to each side of the equation. 2.833333334 + -2.833333334 + x = 2.219859856 + -2.833333334 Combine like terms: 2.833333334 + -2.833333334 = 0.000000000 0.000000000 + x = 2.219859856 + -2.833333334 x = 2.219859856 + -2.833333334 Combine like terms: 2.219859856 + -2.833333334 = -0.613473478 x = -0.613473478 Simplifying x = -0.613473478

Subproblem 2

x + 2.833333334 = -2.219859856 Simplifying x + 2.833333334 = -2.219859856 Reorder the terms: 2.833333334 + x = -2.219859856 Solving 2.833333334 + x = -2.219859856 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.833333334' to each side of the equation. 2.833333334 + -2.833333334 + x = -2.219859856 + -2.833333334 Combine like terms: 2.833333334 + -2.833333334 = 0.000000000 0.000000000 + x = -2.219859856 + -2.833333334 x = -2.219859856 + -2.833333334 Combine like terms: -2.219859856 + -2.833333334 = -5.05319319 x = -5.05319319 Simplifying x = -5.05319319

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.613473478, -5.05319319}

See similar equations:

| (e+1)=12*3 | | 17=x/1 | | 4m+4=68 | | x/50*100=0,9 | | x-(-4)=-2+9 | | 2k+3k=20 | | (3x+70)=(8x+10) | | 20a-19a=12 | | -1/5=y-1/10 | | =20x^2+13x+15 | | 2/x=30/(-6) | | 7(2x-1)=9x+23 | | 9v-7v=16 | | 3(4x-5y)+2y=0 | | 2(k-3)=8 | | =20x^2+13+15 | | |2x-1|=1 | | 29(b+1)-5=-2b-23b | | 4-2(3x-1)=6 | | 1/(x-3)=5x/(x^2-16) | | -5z+1=-4 | | 7(b-1)=4b+12 | | 12+2d=17 | | 15h-13h=18 | | 100=10x+10 | | 6d-5d=6 | | 8a-6a-a= | | y=2x^2-20x-36 | | 3b+b-2=9-b | | 4+6y= | | 2a^2+19a+28=0 | | 8+4c=10 |

Equations solver categories