x^2+46x-4=0

Simple and best practice solution for x^2+46x-4=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+46x-4=0 equation:


Simplifying
x2 + 46x + -4 = 0

Reorder the terms:
-4 + 46x + x2 = 0

Solving
-4 + 46x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 46x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + 46x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 46x + x2 = 0 + 4
46x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
46x + x2 = 4

The x term is 46x.  Take half its coefficient (23).
Square it (529) and add it to both sides.

Add '529' to each side of the equation.
46x + 529 + x2 = 4 + 529

Reorder the terms:
529 + 46x + x2 = 4 + 529

Combine like terms: 4 + 529 = 533
529 + 46x + x2 = 533

Factor a perfect square on the left side:
(x + 23)(x + 23) = 533

Calculate the square root of the right side: 23.086792761

Break this problem into two subproblems by setting 
(x + 23) equal to 23.086792761 and -23.086792761.

Subproblem 1

x + 23 = 23.086792761 Simplifying x + 23 = 23.086792761 Reorder the terms: 23 + x = 23.086792761 Solving 23 + x = 23.086792761 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + x = 23.086792761 + -23 Combine like terms: 23 + -23 = 0 0 + x = 23.086792761 + -23 x = 23.086792761 + -23 Combine like terms: 23.086792761 + -23 = 0.086792761 x = 0.086792761 Simplifying x = 0.086792761

Subproblem 2

x + 23 = -23.086792761 Simplifying x + 23 = -23.086792761 Reorder the terms: 23 + x = -23.086792761 Solving 23 + x = -23.086792761 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + x = -23.086792761 + -23 Combine like terms: 23 + -23 = 0 0 + x = -23.086792761 + -23 x = -23.086792761 + -23 Combine like terms: -23.086792761 + -23 = -46.086792761 x = -46.086792761 Simplifying x = -46.086792761

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.086792761, -46.086792761}

See similar equations:

| 50=-24.714x+202.62 | | x^2-7x+88=0 | | 0=a*7+b | | 0=-2.5*7+x | | 3(3w+9)=3 | | 10=3x+17.5 | | 10=3x+y | | 2-(3+x)=5x | | 9d+4=22 | | -8(2t+9)=152 | | 16x+(8x+4)=15 | | 10(s-8)=-154 | | 2(3x+1)+5x+3= | | 4x+13=-170-8x | | 10x+5-5(3x-1)= | | 8x+(5x+3)=17 | | 4(4s+6)=40 | | 48x+12-8x^2=0 | | 6x+(2x+2)=18 | | 3-3n=0 | | x^2-90x+1000=0 | | cos(2x)*cos(x)=cos(2.5x)*cos(0.5x) | | 7x+(-9+x)=7 | | x^2-168x=0 | | 8-2a=27 | | 3x+(4+7x)=16 | | 5m+24= | | 13-4b=36 | | 37+12f=65 | | 8x-10x=10 | | 21-2k=10 | | 12+5n=13 |

Equations solver categories