w^2-13w=36

Simple and best practice solution for w^2-13w=36 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^2-13w=36 equation:


Simplifying
w2 + -13w = 36

Reorder the terms:
-13w + w2 = 36

Solving
-13w + w2 = 36

Solving for variable 'w'.

Reorder the terms:
-36 + -13w + w2 = 36 + -36

Combine like terms: 36 + -36 = 0
-36 + -13w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '36' to each side of the equation.
-36 + -13w + 36 + w2 = 0 + 36

Reorder the terms:
-36 + 36 + -13w + w2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -13w + w2 = 0 + 36
-13w + w2 = 0 + 36

Combine like terms: 0 + 36 = 36
-13w + w2 = 36

The w term is -13w.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13w + 42.25 + w2 = 36 + 42.25

Reorder the terms:
42.25 + -13w + w2 = 36 + 42.25

Combine like terms: 36 + 42.25 = 78.25
42.25 + -13w + w2 = 78.25

Factor a perfect square on the left side:
(w + -6.5)(w + -6.5) = 78.25

Calculate the square root of the right side: 8.845903006

Break this problem into two subproblems by setting 
(w + -6.5) equal to 8.845903006 and -8.845903006.

Subproblem 1

w + -6.5 = 8.845903006 Simplifying w + -6.5 = 8.845903006 Reorder the terms: -6.5 + w = 8.845903006 Solving -6.5 + w = 8.845903006 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + w = 8.845903006 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + w = 8.845903006 + 6.5 w = 8.845903006 + 6.5 Combine like terms: 8.845903006 + 6.5 = 15.345903006 w = 15.345903006 Simplifying w = 15.345903006

Subproblem 2

w + -6.5 = -8.845903006 Simplifying w + -6.5 = -8.845903006 Reorder the terms: -6.5 + w = -8.845903006 Solving -6.5 + w = -8.845903006 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + w = -8.845903006 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + w = -8.845903006 + 6.5 w = -8.845903006 + 6.5 Combine like terms: -8.845903006 + 6.5 = -2.345903006 w = -2.345903006 Simplifying w = -2.345903006

Solution

The solution to the problem is based on the solutions from the subproblems. w = {15.345903006, -2.345903006}

See similar equations:

| -5x-4=-6 | | Y=18x-100 | | x^4+3x^3=4x^2 | | 5l-3(3l-3)= | | 2(x+6)=10x-8 | | 3t-28+t^2=0 | | (10-I)(2+4i)= | | (x+3)=(-x-1) | | ln(x+3)-lnx=2 | | 15-3c=-39 | | 4x/3-2x+3/6=9/2 | | 5y-2+y+36=8y+40-5y | | 3x+4w=90 | | 4(6+c)-8=2(6c+5)+4 | | 7x+12=-135 | | (6+3i)(-2i+4i)= | | 4000=200T | | -27-7= | | 5/7=H/42 | | (2+I)(2+I)= | | 1/5(2x-1)=1/3(x+4) | | 4(6x-7)-4=24x-32 | | 456356h*8753677=.1 | | 1/3*Z=1 | | 6z+1/6=7z+5/6 | | -5+4=6 | | 3k-8/14+5/7=k+1/2 | | 112/2 | | 2(x+3)=3(1-x) | | 7/24= | | (3+I)(5+I)= | | (2/f)(3f/5)(1/3-1/6) |

Equations solver categories