(3x^2)+(14x)-(3)=0

Simple and best practice solution for (3x^2)+(14x)-(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)+(14x)-(3)=0 equation:


Simplifying
(3x2) + (14x) + -1(3) = 0

Multiply -1 * 3
(3x2) + (14x) + -3 = 0

Reorder the terms:
-3 + (14x) + (3x2) = 0

Solving
-3 + (14x) + (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'.
-1 + (4.666666667x) + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + (4.666666667x) + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + (4.666666667x) + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + (4.666666667x) + x2 = 0 + 1
(4.666666667x) + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
(4.666666667x) + x2 = 1

The x term is (4.666666667x).  Take half its coefficient (2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
(4.666666667x) + 5.444444448 + x2 = 1 + 5.444444448

Reorder the terms:
5.444444448 + (4.666666667x) + x2 = 1 + 5.444444448

Combine like terms: 1 + 5.444444448 = 6.444444448
5.444444448 + (4.666666667x) + x2 = 6.444444448

Factor a perfect square on the left side:
((x) + 2.333333334)((x) + 2.333333334) = 6.444444448

Calculate the square root of the right side: 2.538591036

Break this problem into two subproblems by setting 
((x) + 2.333333334) equal to 2.538591036 and -2.538591036.

Subproblem 1

(x) + 2.333333334 = 2.538591036 Simplifying (x) + 2.333333334 = 2.538591036 x + 2.333333334 = 2.538591036 Reorder the terms: 2.333333334 + x = 2.538591036 Solving 2.333333334 + x = 2.538591036 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.333333334' to each side of the equation. 2.333333334 + -2.333333334 + x = 2.538591036 + -2.333333334 Combine like terms: 2.333333334 + -2.333333334 = 0.000000000 0.000000000 + x = 2.538591036 + -2.333333334 x = 2.538591036 + -2.333333334 Combine like terms: 2.538591036 + -2.333333334 = 0.205257702 x = 0.205257702 Simplifying x = 0.205257702

Subproblem 2

(x) + 2.333333334 = -2.538591036 Simplifying (x) + 2.333333334 = -2.538591036 x + 2.333333334 = -2.538591036 Reorder the terms: 2.333333334 + x = -2.538591036 Solving 2.333333334 + x = -2.538591036 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.333333334' to each side of the equation. 2.333333334 + -2.333333334 + x = -2.538591036 + -2.333333334 Combine like terms: 2.333333334 + -2.333333334 = 0.000000000 0.000000000 + x = -2.538591036 + -2.333333334 x = -2.538591036 + -2.333333334 Combine like terms: -2.538591036 + -2.333333334 = -4.87192437 x = -4.87192437 Simplifying x = -4.87192437

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.205257702, -4.87192437}

See similar equations:

| -32y^2-24y=O | | 8x+7x-9x=29+7 | | 25+2x= | | -2(4t+8)= | | 6x+32=7x+12 | | 1.999*2=x | | 11x+6=(1)2 | | 14(9x-2)=2x-9 | | 12a-6a=a | | X-6y=46 | | 5+m=24 | | (x^2)-(10x)-(24)=0 | | 5=1/3(6)+b | | 4y-8=9y+37 | | 18/5-X/5 | | 12-r=6-2r | | 46+4y-12=15y-14-3y | | (W+4)(w)(4)=128 | | (x^2)-(6x)+(9)=0 | | 2t^2-t=120 | | -6(x+6)-(-7x+8)=-1 | | -49+11x=8x+41 | | Tanx=1.75 | | 13x+6-3=(2x)3 | | 4k^2+7k-15=0 | | 7x-6=18-5x | | 4m-7=2p-2 | | 5(x+7)=6(x-2) | | 12x+84=14x+35 | | 5(x+9)-19= | | 10m^2=13m+3 | | 8w^2+8w+2=0 |

Equations solver categories