x^2+4x-10=0

Simple and best practice solution for x^2+4x-10=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+4x-10=0 equation:


Simplifying
x2 + 4x + -10 = 0

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

Solving
-10 + 4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

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

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

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

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

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

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

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

Combine like terms: 10 + 4 = 14
4 + 4x + x2 = 14

Factor a perfect square on the left side:
(x + 2)(x + 2) = 14

Calculate the square root of the right side: 3.741657387

Break this problem into two subproblems by setting 
(x + 2) equal to 3.741657387 and -3.741657387.

Subproblem 1

x + 2 = 3.741657387 Simplifying x + 2 = 3.741657387 Reorder the terms: 2 + x = 3.741657387 Solving 2 + x = 3.741657387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 3.741657387 + -2 Combine like terms: 2 + -2 = 0 0 + x = 3.741657387 + -2 x = 3.741657387 + -2 Combine like terms: 3.741657387 + -2 = 1.741657387 x = 1.741657387 Simplifying x = 1.741657387

Subproblem 2

x + 2 = -3.741657387 Simplifying x + 2 = -3.741657387 Reorder the terms: 2 + x = -3.741657387 Solving 2 + x = -3.741657387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -3.741657387 + -2 Combine like terms: 2 + -2 = 0 0 + x = -3.741657387 + -2 x = -3.741657387 + -2 Combine like terms: -3.741657387 + -2 = -5.741657387 x = -5.741657387 Simplifying x = -5.741657387

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.741657387, -5.741657387}

See similar equations:

| 96-2x=25x+21 | | 7x^2+21=0 | | 4x-33=x | | 4(4-w)=2(15+4y) | | 9x-7x=173-35x | | 6x+63=10x-5 | | 9(4b-1)=2-(x+4) | | 3x+11=-61-9x | | 4x+5=2x^2-8 | | 120-3x=33x+24 | | 91-3x=12x+19 | | 2x^4=50x^2 | | 7-8x=37-22x | | (X+3)(x+3)=-10 | | 10x-6=13-7x | | 4v^2-25v=21 | | (7x+11)=2(5x-2) | | 3x+14=-70-9x | | 2x^2+13x+18=0 | | 70-6x=3x+18 | | 2x+28=5x-11 | | (x+2)(x+2)+4=0 | | (5x^2-6x+8)(3x+3)= | | (6x-1)=(4x+7) | | x-8=-12 | | 3m^2+13m+10=0 | | -3(a-3)+4-9=-2 | | 152-2x=25x+20 | | (2x^2+5x+3)(4x-8)= | | 7x-5x=-4 | | 5-7x=2x+14 | | 13-8x=53-15x |

Equations solver categories