x^2+10x=-3

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


Simplifying
x2 + 10x = -3

Reorder the terms:
10x + x2 = -3

Solving
10x + x2 = -3

Solving for variable 'x'.

Reorder the terms:
3 + 10x + x2 = -3 + 3

Combine like terms: -3 + 3 = 0
3 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 10x + -3 + x2 = 0 + -3

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

Combine like terms: 3 + -3 = 0
0 + 10x + x2 = 0 + -3
10x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
10x + x2 = -3

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 + 25

Reorder the terms:
25 + 10x + x2 = -3 + 25

Combine like terms: -3 + 25 = 22
25 + 10x + x2 = 22

Factor a perfect square on the left side:
(x + 5)(x + 5) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(x + 5) equal to 4.69041576 and -4.69041576.

Subproblem 1

x + 5 = 4.69041576 Simplifying x + 5 = 4.69041576 Reorder the terms: 5 + x = 4.69041576 Solving 5 + x = 4.69041576 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 = 4.69041576 + -5 Combine like terms: 5 + -5 = 0 0 + x = 4.69041576 + -5 x = 4.69041576 + -5 Combine like terms: 4.69041576 + -5 = -0.30958424 x = -0.30958424 Simplifying x = -0.30958424

Subproblem 2

x + 5 = -4.69041576 Simplifying x + 5 = -4.69041576 Reorder the terms: 5 + x = -4.69041576 Solving 5 + x = -4.69041576 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 = -4.69041576 + -5 Combine like terms: 5 + -5 = 0 0 + x = -4.69041576 + -5 x = -4.69041576 + -5 Combine like terms: -4.69041576 + -5 = -9.69041576 x = -9.69041576 Simplifying x = -9.69041576

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.30958424, -9.69041576}

See similar equations:

| 3x^2+18x+27=0 | | 6v^2+34=-40 | | y=7.34-0.031(40) | | 5x-24=3x+12 | | y=7.34-0.031(10) | | 4x^2+40x+100=0 | | 130000*2.25= | | (7x-1)=3x-1 | | 6x-18x=12+18 | | 39X^2+3X+7=0 | | 24+4x=3x+62 | | 8x+4=42+18 | | 2(35+6d)=175 | | 6(35+2d)=175 | | (2x+32)(2x+29)=648 | | x^2-2x=2.5 | | 35+12d=175 | | 360=2x+3x+x | | 35+6d=175 | | x^2=14x+32 | | p^2+48=-14p | | 360=x(2x)(3x) | | 5x-.66(x+5)=7x-(x-1) | | y=7.65-0.035(40) | | -5X^2-2X-3=0 | | 3(x-2)=2x-(x-6) | | y=7.65-0.035(10) | | -4*5*1.6+5*-4=12 | | ((64x+64)-(15x+15))=2 | | (3x-1)=5x-7 | | ((64x+64)-(15x+15))9=2 | | 0.5(6x+8)=4(x-7) |

Equations solver categories