w^2-8w+3=0

Simple and best practice solution for w^2-8w+3=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^2-8w+3=0 equation:


Simplifying
w2 + -8w + 3 = 0

Reorder the terms:
3 + -8w + w2 = 0

Solving
3 + -8w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -8w + -3 + w2 = 0 + -3

Reorder the terms:
3 + -3 + -8w + w2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -8w + w2 = 0 + -3
-8w + w2 = 0 + -3

Combine like terms: 0 + -3 = -3
-8w + w2 = -3

The w term is -8w.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8w + 16 + w2 = -3 + 16

Reorder the terms:
16 + -8w + w2 = -3 + 16

Combine like terms: -3 + 16 = 13
16 + -8w + w2 = 13

Factor a perfect square on the left side:
(w + -4)(w + -4) = 13

Calculate the square root of the right side: 3.605551275

Break this problem into two subproblems by setting 
(w + -4) equal to 3.605551275 and -3.605551275.

Subproblem 1

w + -4 = 3.605551275 Simplifying w + -4 = 3.605551275 Reorder the terms: -4 + w = 3.605551275 Solving -4 + w = 3.605551275 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + w = 3.605551275 + 4 Combine like terms: -4 + 4 = 0 0 + w = 3.605551275 + 4 w = 3.605551275 + 4 Combine like terms: 3.605551275 + 4 = 7.605551275 w = 7.605551275 Simplifying w = 7.605551275

Subproblem 2

w + -4 = -3.605551275 Simplifying w + -4 = -3.605551275 Reorder the terms: -4 + w = -3.605551275 Solving -4 + w = -3.605551275 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + w = -3.605551275 + 4 Combine like terms: -4 + 4 = 0 0 + w = -3.605551275 + 4 w = -3.605551275 + 4 Combine like terms: -3.605551275 + 4 = 0.394448725 w = 0.394448725 Simplifying w = 0.394448725

Solution

The solution to the problem is based on the solutions from the subproblems. w = {7.605551275, 0.394448725}

See similar equations:

| 4(.5x+2)=8(.25x+1) | | 2(x+5)+3x=3(-2x-1) | | y=-1/2-1/2 | | x(x)=50 | | xx=50 | | y^2-12y-8x+20=0 | | 3x-8=27 | | 5=4 | | p^2-6p+2=0 | | m--5=12 | | 3x^2-12x+2y^2+12y+29=0 | | 5x^8+9x^8= | | -12y=6x | | 24x-4=3x-11 | | (x-6)(x^2+6x+36)=0 | | (3t+1)(t-2)=10 | | (24)(-3)=2 | | (-x-4)=(4x+3) | | y=-15-2(-7) | | 3x+y=48 | | 1.6-5.6+4.9x^2=0 | | 3(4-x)=1+5(x-1) | | (2x-3)(x-1)=3 | | .5x-.25=.25x+.5 | | 10x+25=0 | | 2n+3(10-n)=26 | | -4(4x-10)=2x-4 | | 2z^2=3z | | 5y(y+3)=4y+12 | | 20x^2-60x+45=0 | | 3x^2-3x+4=0 | | .5(16-6x)=15-2(4-14x) |

Equations solver categories