x^2+4.6x=319

Simple and best practice solution for x^2+4.6x=319 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 x^2+4.6x=319 equation:


Simplifying
x2 + 4.6x = 319

Reorder the terms:
4.6x + x2 = 319

Solving
4.6x + x2 = 319

Solving for variable 'x'.

Reorder the terms:
-319 + 4.6x + x2 = 319 + -319

Combine like terms: 319 + -319 = 0
-319 + 4.6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '319' to each side of the equation.
-319 + 4.6x + 319 + x2 = 0 + 319

Reorder the terms:
-319 + 319 + 4.6x + x2 = 0 + 319

Combine like terms: -319 + 319 = 0
0 + 4.6x + x2 = 0 + 319
4.6x + x2 = 0 + 319

Combine like terms: 0 + 319 = 319
4.6x + x2 = 319

The x term is 4.6x.  Take half its coefficient (2.3).
Square it (5.29) and add it to both sides.

Add '5.29' to each side of the equation.
4.6x + 5.29 + x2 = 319 + 5.29

Reorder the terms:
5.29 + 4.6x + x2 = 319 + 5.29

Combine like terms: 319 + 5.29 = 324.29
5.29 + 4.6x + x2 = 324.29

Factor a perfect square on the left side:
(x + 2.3)(x + 2.3) = 324.29

Calculate the square root of the right side: 18.008053754

Break this problem into two subproblems by setting 
(x + 2.3) equal to 18.008053754 and -18.008053754.

Subproblem 1

x + 2.3 = 18.008053754 Simplifying x + 2.3 = 18.008053754 Reorder the terms: 2.3 + x = 18.008053754 Solving 2.3 + x = 18.008053754 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.3' to each side of the equation. 2.3 + -2.3 + x = 18.008053754 + -2.3 Combine like terms: 2.3 + -2.3 = 0.0 0.0 + x = 18.008053754 + -2.3 x = 18.008053754 + -2.3 Combine like terms: 18.008053754 + -2.3 = 15.708053754 x = 15.708053754 Simplifying x = 15.708053754

Subproblem 2

x + 2.3 = -18.008053754 Simplifying x + 2.3 = -18.008053754 Reorder the terms: 2.3 + x = -18.008053754 Solving 2.3 + x = -18.008053754 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.3' to each side of the equation. 2.3 + -2.3 + x = -18.008053754 + -2.3 Combine like terms: 2.3 + -2.3 = 0.0 0.0 + x = -18.008053754 + -2.3 x = -18.008053754 + -2.3 Combine like terms: -18.008053754 + -2.3 = -20.308053754 x = -20.308053754 Simplifying x = -20.308053754

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.708053754, -20.308053754}

See similar equations:

| x^2+6.9x=128 | | X=-.15t+4.9 | | 3(2y+3)=6Y+9 | | 4a^4+2a^3+8a= | | 7x^2-18=38 | | 5[x+4]=45 | | 16-(x+4)=2(1-x)+4 | | 4+3x=-10 | | 3(2+2x)=6x+3 | | 0.5(10x+10)=6x-8 | | 9(3x)(x)-5x=3(x)(9x)+11 | | 10*sin^2x+3*cosx-9=0 | | 0=3x^2+3x+0 | | (x-2)*(x+5)=0 | | x^2+5x=85.25 | | -54-8x-5x=102 | | 5n^2+10n-11=0 | | X^2+y^2=-14y-104-16x | | 16x^4-40x^2+9=0 | | 19x-6-15x=2(2x-4)+2 | | -3(8+4)=2(1-x)+4 | | N+.5+n-.33=7.5 | | 200=x(5x-100) | | 200=X(5x-10) | | 12x-8+3+4x=11x+10-8x | | 18w=c | | (5y-3)(n-2)=0 | | 3n+10=7n+2 | | 2(2x-1)+10=-(x+2)+4 | | 3x=161 | | 3[3x+2]=51 | | 1.2+3.69=14.37 |

Equations solver categories