x^2+4x-174=0

Simple and best practice solution for x^2+4x-174=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-174=0 equation:


Simplifying
x2 + 4x + -174 = 0

Reorder the terms:
-174 + 4x + x2 = 0

Solving
-174 + 4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '174' to each side of the equation.
-174 + 4x + 174 + x2 = 0 + 174

Reorder the terms:
-174 + 174 + 4x + x2 = 0 + 174

Combine like terms: -174 + 174 = 0
0 + 4x + x2 = 0 + 174
4x + x2 = 0 + 174

Combine like terms: 0 + 174 = 174
4x + x2 = 174

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 = 174 + 4

Reorder the terms:
4 + 4x + x2 = 174 + 4

Combine like terms: 174 + 4 = 178
4 + 4x + x2 = 178

Factor a perfect square on the left side:
(x + 2)(x + 2) = 178

Calculate the square root of the right side: 13.341664064

Break this problem into two subproblems by setting 
(x + 2) equal to 13.341664064 and -13.341664064.

Subproblem 1

x + 2 = 13.341664064 Simplifying x + 2 = 13.341664064 Reorder the terms: 2 + x = 13.341664064 Solving 2 + x = 13.341664064 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 = 13.341664064 + -2 Combine like terms: 2 + -2 = 0 0 + x = 13.341664064 + -2 x = 13.341664064 + -2 Combine like terms: 13.341664064 + -2 = 11.341664064 x = 11.341664064 Simplifying x = 11.341664064

Subproblem 2

x + 2 = -13.341664064 Simplifying x + 2 = -13.341664064 Reorder the terms: 2 + x = -13.341664064 Solving 2 + x = -13.341664064 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 = -13.341664064 + -2 Combine like terms: 2 + -2 = 0 0 + x = -13.341664064 + -2 x = -13.341664064 + -2 Combine like terms: -13.341664064 + -2 = -15.341664064 x = -15.341664064 Simplifying x = -15.341664064

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.341664064, -15.341664064}

See similar equations:

| x^3-24x^2-128x+256=0 | | 2(m+10)=6(m-15) | | 0=30t-5t^2 | | 2(m+10)=8.5(m-15) | | 2(m+10)=8(m-15) | | x-57=15-3x | | f(7)=5x-7 | | 2(m+10)=9.5(m-15) | | 2(m+10)=9(m-15) | | 2(m+10)=10(m-15) | | 2(m+10)=1(m-15) | | k=5+100x | | g+[-4]=-5 | | 2(m+10)=5(m-15) | | k=6+100x-1 | | 3(2x+1)=-11-x | | 24-7x=-4 | | 6w-7=19 | | -14-9x=9-10x | | 4+30=x-4.50 | | 8a-3=5a+8 | | 2(m+10)=2(m-15) | | 3g+8=26 | | -5y^2+9y+14=0 | | E=30h | | 130+70h=40+80h | | Y+(-14)=(-2) | | 7q+5=19 | | 50=10(h+2) | | 9t-4y=5 | | 3X-2=1-7X | | 9t-4y=-8 |

Equations solver categories