w^2+10w-168=0

Simple and best practice solution for w^2+10w-168=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 w^2+10w-168=0 equation:


Simplifying
w2 + 10w + -168 = 0

Reorder the terms:
-168 + 10w + w2 = 0

Solving
-168 + 10w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '168' to each side of the equation.
-168 + 10w + 168 + w2 = 0 + 168

Reorder the terms:
-168 + 168 + 10w + w2 = 0 + 168

Combine like terms: -168 + 168 = 0
0 + 10w + w2 = 0 + 168
10w + w2 = 0 + 168

Combine like terms: 0 + 168 = 168
10w + w2 = 168

The w term is 10w.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10w + 25 + w2 = 168 + 25

Reorder the terms:
25 + 10w + w2 = 168 + 25

Combine like terms: 168 + 25 = 193
25 + 10w + w2 = 193

Factor a perfect square on the left side:
(w + 5)(w + 5) = 193

Calculate the square root of the right side: 13.892443989

Break this problem into two subproblems by setting 
(w + 5) equal to 13.892443989 and -13.892443989.

Subproblem 1

w + 5 = 13.892443989 Simplifying w + 5 = 13.892443989 Reorder the terms: 5 + w = 13.892443989 Solving 5 + w = 13.892443989 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + w = 13.892443989 + -5 Combine like terms: 5 + -5 = 0 0 + w = 13.892443989 + -5 w = 13.892443989 + -5 Combine like terms: 13.892443989 + -5 = 8.892443989 w = 8.892443989 Simplifying w = 8.892443989

Subproblem 2

w + 5 = -13.892443989 Simplifying w + 5 = -13.892443989 Reorder the terms: 5 + w = -13.892443989 Solving 5 + w = -13.892443989 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + w = -13.892443989 + -5 Combine like terms: 5 + -5 = 0 0 + w = -13.892443989 + -5 w = -13.892443989 + -5 Combine like terms: -13.892443989 + -5 = -18.892443989 w = -18.892443989 Simplifying w = -18.892443989

Solution

The solution to the problem is based on the solutions from the subproblems. w = {8.892443989, -18.892443989}

See similar equations:

| (0.8)x+4=19 | | -16g+-8g+17g=-14 | | 7x^2+12x-2=0 | | 2lnx+lnx^2=3 | | 5x^2-26x=-3x^2-15 | | 5x+x+4x=25 | | t^3+343=0 | | 5x+x+4x= | | y=650-15x+.45x^2 | | 5(k-2)-8k=-374 | | -3x-15=2x | | 25x+45(-2x)+35= | | 25x+4(-2x)+35= | | 5e^3x-4=15 | | 25x+4(-2x)= | | 100-100+100+100-100-100=0 | | x^6+6x^5+5x^4= | | 15=10+2b | | -13n+-15=11 | | 2(3x+8)=-22+8 | | 2x^2-26x-25=0 | | x^3+4x^2+25x+100=0 | | .75+2=.25n+1 | | Y=-3.5+5 | | 2a+3=4 | | 16-12a-13a=-19 | | 2.4(m-3)+3.8+-3.8=-8.3 | | 11-x*8+x=6*19-2x | | 8-6(5-3x)+2x(x+1)= | | 4x(-9)=7x+13 | | 13a+15+4a= | | -7x-8=13 |

Equations solver categories