x^2+10x=4

Simple and best practice solution for x^2+10x=4 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=4 equation:


Simplifying
x2 + 10x = 4

Reorder the terms:
10x + x2 = 4

Solving
10x + x2 = 4

Solving for variable 'x'.

Reorder the terms:
-4 + 10x + x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 10x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + 10x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 10x + x2 = 0 + 4
10x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
10x + x2 = 4

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 = 4 + 25

Reorder the terms:
25 + 10x + x2 = 4 + 25

Combine like terms: 4 + 25 = 29
25 + 10x + x2 = 29

Factor a perfect square on the left side:
(x + 5)(x + 5) = 29

Calculate the square root of the right side: 5.385164807

Break this problem into two subproblems by setting 
(x + 5) equal to 5.385164807 and -5.385164807.

Subproblem 1

x + 5 = 5.385164807 Simplifying x + 5 = 5.385164807 Reorder the terms: 5 + x = 5.385164807 Solving 5 + x = 5.385164807 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 = 5.385164807 + -5 Combine like terms: 5 + -5 = 0 0 + x = 5.385164807 + -5 x = 5.385164807 + -5 Combine like terms: 5.385164807 + -5 = 0.385164807 x = 0.385164807 Simplifying x = 0.385164807

Subproblem 2

x + 5 = -5.385164807 Simplifying x + 5 = -5.385164807 Reorder the terms: 5 + x = -5.385164807 Solving 5 + x = -5.385164807 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 = -5.385164807 + -5 Combine like terms: 5 + -5 = 0 0 + x = -5.385164807 + -5 x = -5.385164807 + -5 Combine like terms: -5.385164807 + -5 = -10.385164807 x = -10.385164807 Simplifying x = -10.385164807

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.385164807, -10.385164807}

See similar equations:

| (x+1.5)(x+1.5)=-0.75 | | 35*-7= | | -2b+18-4d=60 | | (b-3)2=9 | | 2(x-2)=2(2x-3) | | 0=3x^2+17x-6 | | (3.4/4.4)=(x/22) | | (4w+4)(4w-4)= | | 8+x=19-2x | | 36-6*2x=3 | | 6m+4+5m=-29 | | 1x^2-10x+25=0 | | 3r+7(r+10)=5(r+2) | | 12.5=2(pi)r | | -2x-7x=18 | | -6(6q+9)+2(q-9)= | | m(.20)=72 | | 16=-8t^2+32t | | m.20=72 | | 14x+12= | | x^2-12x+36=64 | | m*.20=72 | | 14x-12= | | 8z^2+20z-48=0 | | d=4x | | 4x=16+2x | | 10w^2+12w-168=0 | | 11-3= | | 60=4x+2x | | 8-2(5+2x)=7x-16 | | 1eightr=8 | | 3b=18b-180 |

Equations solver categories