w^2=14-15w

Simple and best practice solution for w^2=14-15w 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=14-15w equation:


Simplifying
w2 = 14 + -15w

Solving
w2 = 14 + -15w

Solving for variable 'w'.

Reorder the terms:
-14 + 15w + w2 = 14 + -15w + -14 + 15w

Reorder the terms:
-14 + 15w + w2 = 14 + -14 + -15w + 15w

Combine like terms: 14 + -14 = 0
-14 + 15w + w2 = 0 + -15w + 15w
-14 + 15w + w2 = -15w + 15w

Combine like terms: -15w + 15w = 0
-14 + 15w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + 15w + 14 + w2 = 0 + 14

Reorder the terms:
-14 + 14 + 15w + w2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 15w + w2 = 0 + 14
15w + w2 = 0 + 14

Combine like terms: 0 + 14 = 14
15w + w2 = 14

The w term is 15w.  Take half its coefficient (7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
15w + 56.25 + w2 = 14 + 56.25

Reorder the terms:
56.25 + 15w + w2 = 14 + 56.25

Combine like terms: 14 + 56.25 = 70.25
56.25 + 15w + w2 = 70.25

Factor a perfect square on the left side:
(w + 7.5)(w + 7.5) = 70.25

Calculate the square root of the right side: 8.381527307

Break this problem into two subproblems by setting 
(w + 7.5) equal to 8.381527307 and -8.381527307.

Subproblem 1

w + 7.5 = 8.381527307 Simplifying w + 7.5 = 8.381527307 Reorder the terms: 7.5 + w = 8.381527307 Solving 7.5 + w = 8.381527307 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-7.5' to each side of the equation. 7.5 + -7.5 + w = 8.381527307 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + w = 8.381527307 + -7.5 w = 8.381527307 + -7.5 Combine like terms: 8.381527307 + -7.5 = 0.881527307 w = 0.881527307 Simplifying w = 0.881527307

Subproblem 2

w + 7.5 = -8.381527307 Simplifying w + 7.5 = -8.381527307 Reorder the terms: 7.5 + w = -8.381527307 Solving 7.5 + w = -8.381527307 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-7.5' to each side of the equation. 7.5 + -7.5 + w = -8.381527307 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + w = -8.381527307 + -7.5 w = -8.381527307 + -7.5 Combine like terms: -8.381527307 + -7.5 = -15.881527307 w = -15.881527307 Simplifying w = -15.881527307

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.881527307, -15.881527307}

See similar equations:

| 7x+6=7x+14 | | 5(c+9)=4(7+w)+3 | | x+3=3x+13 | | 4.78kg= | | a^2+a+4=0 | | 4t+2+3t=16 | | 4x+6=-16+6 | | 4(x+6)=56 | | 6x^2-1x+10=0 | | x+6=-13 | | 3w^2+14w+8=0 | | 4x+4y=24 | | t^2+8t+16=0 | | 7(x+1)=35 | | X-4=9x+4 | | 4x+7y=26 | | -6y+6=-4(2y+3) | | A=22+1.5a | | 1n+7=3n | | 0.21y-0.4=0.11y+1-0.6y | | 2x+5=31 | | 3x-5=-16 | | x-0.7=9.88 | | -15=-5h+0.4(40-3h) | | 6b+11=2b+47 | | (10X-9)2=8X+12 | | -7=0.75(3+10k)-5k | | 8x-8=-20+2x | | -x+-29=13+2x | | 2n+0.5(n-9)=4.5 | | 5x^3+3x^2-2x=0 | | -2x^2+6x+3=0 |

Equations solver categories