w^2+w-170=0

Simple and best practice solution for w^2+w-170=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+w-170=0 equation:


Simplifying
w2 + w + -170 = 0

Reorder the terms:
-170 + w + w2 = 0

Solving
-170 + w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '170' to each side of the equation.
-170 + w + 170 + w2 = 0 + 170

Reorder the terms:
-170 + 170 + w + w2 = 0 + 170

Combine like terms: -170 + 170 = 0
0 + w + w2 = 0 + 170
w + w2 = 0 + 170

Combine like terms: 0 + 170 = 170
w + w2 = 170

The w term is w.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
w + 0.25 + w2 = 170 + 0.25

Reorder the terms:
0.25 + w + w2 = 170 + 0.25

Combine like terms: 170 + 0.25 = 170.25
0.25 + w + w2 = 170.25

Factor a perfect square on the left side:
(w + 0.5)(w + 0.5) = 170.25

Calculate the square root of the right side: 13.047988351

Break this problem into two subproblems by setting 
(w + 0.5) equal to 13.047988351 and -13.047988351.

Subproblem 1

w + 0.5 = 13.047988351 Simplifying w + 0.5 = 13.047988351 Reorder the terms: 0.5 + w = 13.047988351 Solving 0.5 + w = 13.047988351 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + w = 13.047988351 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + w = 13.047988351 + -0.5 w = 13.047988351 + -0.5 Combine like terms: 13.047988351 + -0.5 = 12.547988351 w = 12.547988351 Simplifying w = 12.547988351

Subproblem 2

w + 0.5 = -13.047988351 Simplifying w + 0.5 = -13.047988351 Reorder the terms: 0.5 + w = -13.047988351 Solving 0.5 + w = -13.047988351 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + w = -13.047988351 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + w = -13.047988351 + -0.5 w = -13.047988351 + -0.5 Combine like terms: -13.047988351 + -0.5 = -13.547988351 w = -13.547988351 Simplifying w = -13.547988351

Solution

The solution to the problem is based on the solutions from the subproblems. w = {12.547988351, -13.547988351}

See similar equations:

| (2x+-14)=9x | | 3(x+3)+26=-4x | | 150+x+x=1500 | | 3(2x+-14)=9x | | 3(x+18)=-3(x-12) | | 3X+12=180 | | 105=(x+2)x*3 | | 9x^4-18x^3+2x^2+7x-2=0 | | 2x+3+X+9=180 | | 7(y-5)=2(3y+4)-43 | | 5a-2-4a=0 | | 9x+14x= | | 49t^2-28t+4=0 | | 1+18= | | -9x=15x-15 | | 18v^3+87v^2-126v=0 | | 7(5x-2)-34x=6 | | -16t^2+32t+45=0 | | y+2=-1+4 | | 36a^2-49=0 | | 28-2x=4x+4 | | 40-13a+a^2=0 | | -6x=8x-10 | | -6=8x-10 | | 0.1(x+60)+0.9x=31 | | 0.42=7x-0.28 | | 8x-2=46 | | 14=t(t-5) | | 14x-9=47 | | 12(x+1)=4(3x+6)-12 | | 16y-4=52-96y | | 13(t-3)+5t=6(3t+3)-11 |

Equations solver categories