-w^2+33w-66=0

Simple and best practice solution for -w^2+33w-66=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+33w-66=0 equation:


Simplifying
-1w2 + 33w + -66 = 0

Reorder the terms:
-66 + 33w + -1w2 = 0

Solving
-66 + 33w + -1w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
66 + -33w + w2 = 0

Move the constant term to the right:

Add '-66' to each side of the equation.
66 + -33w + -66 + w2 = 0 + -66

Reorder the terms:
66 + -66 + -33w + w2 = 0 + -66

Combine like terms: 66 + -66 = 0
0 + -33w + w2 = 0 + -66
-33w + w2 = 0 + -66

Combine like terms: 0 + -66 = -66
-33w + w2 = -66

The w term is -33w.  Take half its coefficient (-16.5).
Square it (272.25) and add it to both sides.

Add '272.25' to each side of the equation.
-33w + 272.25 + w2 = -66 + 272.25

Reorder the terms:
272.25 + -33w + w2 = -66 + 272.25

Combine like terms: -66 + 272.25 = 206.25
272.25 + -33w + w2 = 206.25

Factor a perfect square on the left side:
(w + -16.5)(w + -16.5) = 206.25

Calculate the square root of the right side: 14.361406616

Break this problem into two subproblems by setting 
(w + -16.5) equal to 14.361406616 and -14.361406616.

Subproblem 1

w + -16.5 = 14.361406616 Simplifying w + -16.5 = 14.361406616 Reorder the terms: -16.5 + w = 14.361406616 Solving -16.5 + w = 14.361406616 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '16.5' to each side of the equation. -16.5 + 16.5 + w = 14.361406616 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + w = 14.361406616 + 16.5 w = 14.361406616 + 16.5 Combine like terms: 14.361406616 + 16.5 = 30.861406616 w = 30.861406616 Simplifying w = 30.861406616

Subproblem 2

w + -16.5 = -14.361406616 Simplifying w + -16.5 = -14.361406616 Reorder the terms: -16.5 + w = -14.361406616 Solving -16.5 + w = -14.361406616 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '16.5' to each side of the equation. -16.5 + 16.5 + w = -14.361406616 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + w = -14.361406616 + 16.5 w = -14.361406616 + 16.5 Combine like terms: -14.361406616 + 16.5 = 2.138593384 w = 2.138593384 Simplifying w = 2.138593384

Solution

The solution to the problem is based on the solutions from the subproblems. w = {30.861406616, 2.138593384}

See similar equations:

| x^2+15=80 | | (x+2)(x)(4)=96 | | u^2+4u-4=0 | | 4y+8=-5y+9 | | 6y^7-8y^6-14y^5=0 | | n-16=-25 | | 5w^2-12w-9=0 | | m+50(6)=3m | | -1(x-12)+3(x+2)=6x+90 | | p+0.06p=630.70 | | 5x^3+40x^2+5x+40= | | -(4y+2)-(-3y-6)=1 | | y^4-4y^3+14y^2+44y+25=0 | | x+6=6(x-1) | | 60x-5x+14=140x | | 24x-30=24x+16 | | 3x^4-9x^3-4x^2=0 | | 7+12r-5=9r+52-7r | | (3x^4)-(9x^3)-(4x^2)=0 | | 14y-14-3y=10y-6(1-y) | | (5x+15)=(7x-3) | | 10.0x=30.3 | | (13x+4)=(16x-5) | | ln(x-8)+ln(5)=ln(x) | | -8(3b+4)+25b-9=0 | | x-6.1=6.9 | | 2.7q-2.9-2.9q=-1.2q-5.1 | | -2x=56 | | 2+x=5-13 | | y+19=-76 | | y+1( 9+24)-28 =21 | | -8x-4=12+3 |

Equations solver categories