-w^2+2w+5w^2-3=

Simple and best practice solution for -w^2+2w+5w^2-3= 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+2w+5w^2-3= equation:


Simplifying
-1w2 + 2w + 5w2 + -3 = 0

Reorder the terms:
-3 + 2w + -1w2 + 5w2 = 0

Combine like terms: -1w2 + 5w2 = 4w2
-3 + 2w + 4w2 = 0

Solving
-3 + 2w + 4w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
-0.75 + 0.5w + w2 = 0

Move the constant term to the right:

Add '0.75' to each side of the equation.
-0.75 + 0.5w + 0.75 + w2 = 0 + 0.75

Reorder the terms:
-0.75 + 0.75 + 0.5w + w2 = 0 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.00 + 0.5w + w2 = 0 + 0.75
0.5w + w2 = 0 + 0.75

Combine like terms: 0 + 0.75 = 0.75
0.5w + w2 = 0.75

The w term is 0.5w.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5w + 0.0625 + w2 = 0.75 + 0.0625

Reorder the terms:
0.0625 + 0.5w + w2 = 0.75 + 0.0625

Combine like terms: 0.75 + 0.0625 = 0.8125
0.0625 + 0.5w + w2 = 0.8125

Factor a perfect square on the left side:
(w + 0.25)(w + 0.25) = 0.8125

Calculate the square root of the right side: 0.901387819

Break this problem into two subproblems by setting 
(w + 0.25) equal to 0.901387819 and -0.901387819.

Subproblem 1

w + 0.25 = 0.901387819 Simplifying w + 0.25 = 0.901387819 Reorder the terms: 0.25 + w = 0.901387819 Solving 0.25 + w = 0.901387819 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + w = 0.901387819 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + w = 0.901387819 + -0.25 w = 0.901387819 + -0.25 Combine like terms: 0.901387819 + -0.25 = 0.651387819 w = 0.651387819 Simplifying w = 0.651387819

Subproblem 2

w + 0.25 = -0.901387819 Simplifying w + 0.25 = -0.901387819 Reorder the terms: 0.25 + w = -0.901387819 Solving 0.25 + w = -0.901387819 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + w = -0.901387819 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + w = -0.901387819 + -0.25 w = -0.901387819 + -0.25 Combine like terms: -0.901387819 + -0.25 = -1.151387819 w = -1.151387819 Simplifying w = -1.151387819

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.651387819, -1.151387819}

See similar equations:

| 8n-25=23+2n | | 2p(6p-9)= | | 28t=-168 | | 2m+100=7m+300 | | (x-1)(x-2(x-3))=x(1-X) | | -6x+5(-3x+14)=175 | | 8n(5n+7)= | | 1z-19=39+87 | | -x^2-18x-80=0 | | 5a+1-a=19 | | 7x+9x-2x-5=93 | | 4(9y+7)= | | 6y+30=6y+180 | | 3.6x-2.4=12 | | (x/4.7-x)=(3/4) | | 9y+30=6y+180 | | x+16=4x+5 | | 1.6x-9.1y+8.5=0 | | 8s(5s-3h)= | | 5x=1200 | | 3(5x-2)=-2 | | x+x-20=90 | | 0.05x=1200 | | 9(8y-9)= | | 1380-402= | | 245/30 | | 2p/3-11=-3 | | 0=81x-121 | | 3(4x-6k)= | | -3(u-8)=3u+6 | | -(2/3)-(3/(2X) | | 9.2x-4.7x-8.5=63.5 |

Equations solver categories