x^2+10x-300=0

Simple and best practice solution for x^2+10x-300=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 x^2+10x-300=0 equation:


Simplifying
x2 + 10x + -300 = 0

Reorder the terms:
-300 + 10x + x2 = 0

Solving
-300 + 10x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '300' to each side of the equation.
-300 + 10x + 300 + x2 = 0 + 300

Reorder the terms:
-300 + 300 + 10x + x2 = 0 + 300

Combine like terms: -300 + 300 = 0
0 + 10x + x2 = 0 + 300
10x + x2 = 0 + 300

Combine like terms: 0 + 300 = 300
10x + x2 = 300

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 = 300 + 25

Reorder the terms:
25 + 10x + x2 = 300 + 25

Combine like terms: 300 + 25 = 325
25 + 10x + x2 = 325

Factor a perfect square on the left side:
(x + 5)(x + 5) = 325

Calculate the square root of the right side: 18.027756377

Break this problem into two subproblems by setting 
(x + 5) equal to 18.027756377 and -18.027756377.

Subproblem 1

x + 5 = 18.027756377 Simplifying x + 5 = 18.027756377 Reorder the terms: 5 + x = 18.027756377 Solving 5 + x = 18.027756377 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 = 18.027756377 + -5 Combine like terms: 5 + -5 = 0 0 + x = 18.027756377 + -5 x = 18.027756377 + -5 Combine like terms: 18.027756377 + -5 = 13.027756377 x = 13.027756377 Simplifying x = 13.027756377

Subproblem 2

x + 5 = -18.027756377 Simplifying x + 5 = -18.027756377 Reorder the terms: 5 + x = -18.027756377 Solving 5 + x = -18.027756377 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 = -18.027756377 + -5 Combine like terms: 5 + -5 = 0 0 + x = -18.027756377 + -5 x = -18.027756377 + -5 Combine like terms: -18.027756377 + -5 = -23.027756377 x = -23.027756377 Simplifying x = -23.027756377

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.027756377, -23.027756377}

See similar equations:

| x=0.17 | | 0.625j=8+0.375j | | a+4=12+12a | | 12x-14x=-34 | | 9x+7-10x=8 | | -8(1+6x)=35-5x | | 12x-4x=18-4 | | 6x-y=-145 | | 0.003=0.02y-0.1 | | 4v+4=-5v+7 | | 0.6n-10=0.4n | | x=0.88 | | 4xy+2x+6y+3= | | 10x+5(x+6y)=5x+y | | 2n+3m=8 | | 12x+4=4x+18 | | (2x-5)(x^3-x-7)= | | 5x-7y=50 | | 19(x+38)-26x=-36(x-12) | | 2b+6(2-1b)=-1b | | x=44 | | 4x=18-7 | | 2d+5=4d-3 | | 2.3+3y=6y-0.16 | | -40+14= | | -39+3b=6(1+2b) | | 7-3(x-1)=-17 | | x=85 | | 35r^2+2r-48=0 | | 3m+2n=8 | | 5x=12+5 | | 9x^2+10+21x=0 |

Equations solver categories