3x^2+30x+10=0

Simple and best practice solution for 3x^2+30x+10=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+30x+10=0 equation:


Simplifying
3x2 + 30x + 10 = 0

Reorder the terms:
10 + 30x + 3x2 = 0

Solving
10 + 30x + 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'.
3.333333333 + 10x + x2 = 0

Move the constant term to the right:

Add '-3.333333333' to each side of the equation.
3.333333333 + 10x + -3.333333333 + x2 = 0 + -3.333333333

Reorder the terms:
3.333333333 + -3.333333333 + 10x + x2 = 0 + -3.333333333

Combine like terms: 3.333333333 + -3.333333333 = 0.000000000
0.000000000 + 10x + x2 = 0 + -3.333333333
10x + x2 = 0 + -3.333333333

Combine like terms: 0 + -3.333333333 = -3.333333333
10x + x2 = -3.333333333

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = -3.333333333 + 25

Reorder the terms:
25 + 10x + x2 = -3.333333333 + 25

Combine like terms: -3.333333333 + 25 = 21.666666667
25 + 10x + x2 = 21.666666667

Factor a perfect square on the left side:
(x + 5)(x + 5) = 21.666666667

Calculate the square root of the right side: 4.654746681

Break this problem into two subproblems by setting 
(x + 5) equal to 4.654746681 and -4.654746681.

Subproblem 1

x + 5 = 4.654746681 Simplifying x + 5 = 4.654746681 Reorder the terms: 5 + x = 4.654746681 Solving 5 + x = 4.654746681 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 4.654746681 + -5 Combine like terms: 5 + -5 = 0 0 + x = 4.654746681 + -5 x = 4.654746681 + -5 Combine like terms: 4.654746681 + -5 = -0.345253319 x = -0.345253319 Simplifying x = -0.345253319

Subproblem 2

x + 5 = -4.654746681 Simplifying x + 5 = -4.654746681 Reorder the terms: 5 + x = -4.654746681 Solving 5 + x = -4.654746681 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -4.654746681 + -5 Combine like terms: 5 + -5 = 0 0 + x = -4.654746681 + -5 x = -4.654746681 + -5 Combine like terms: -4.654746681 + -5 = -9.654746681 x = -9.654746681 Simplifying x = -9.654746681

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.345253319, -9.654746681}

See similar equations:

| 9X^2+4=2X | | (8n^5+16n^2+11)-(8n^2+2n^5+19)= | | 180=5x+14 | | 90=5x+14 | | (4a^5+2a^2)+(7a^5+9a^2)= | | 5m^7+2m^7-6m^7+7m^7= | | 4x^9+5x^2+8x^9= | | 25.39=28.89-x | | 118-(7x+16)=7(x+6)+x | | 25x-7-14x+2=23x-4-12x+17 | | 0=0.5x-7 | | -20.4=b+-4.6 | | -14.25+v=-21.55 | | 6x^2-30x+6= | | (4a-3)=(2a+9) | | -12.3=n-24.5 | | (5y-3)=22 | | s*5+36=106 | | 2x^2+1ox-48= | | 10h-28=72 | | 69-13=35 | | 5x-12=x+11 | | 2x+11-5x-13= | | -7.8q+1.6=-62.4-1.4q | | 3x+6y-330=0 | | (2p^6s^8)(s^8)= | | 27.7=20.2+b | | 7/12÷3/4 | | 15x^2+2x-24= | | (7x^2)(-4x^3)(6x^6)= | | N+-10.8=-35.4 | | s*6-28=55 |

Equations solver categories