-30=w^2-2w

Simple and best practice solution for -30=w^2-2w 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 -30=w^2-2w equation:


Simplifying
-30 = w2 + -2w

Reorder the terms:
-30 = -2w + w2

Solving
-30 = -2w + w2

Solving for variable 'w'.

Reorder the terms:
-30 + 2w + -1w2 = -2w + 2w + w2 + -1w2

Combine like terms: -2w + 2w = 0
-30 + 2w + -1w2 = 0 + w2 + -1w2
-30 + 2w + -1w2 = w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-30 + 2w + -1w2 = 0

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

Divide each side by '-1'.
30 + -2w + w2 = 0

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + -2w + -30 + w2 = 0 + -30

Reorder the terms:
30 + -30 + -2w + w2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -2w + w2 = 0 + -30
-2w + w2 = 0 + -30

Combine like terms: 0 + -30 = -30
-2w + w2 = -30

The w term is -2w.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2w + 1 + w2 = -30 + 1

Reorder the terms:
1 + -2w + w2 = -30 + 1

Combine like terms: -30 + 1 = -29
1 + -2w + w2 = -29

Factor a perfect square on the left side:
(w + -1)(w + -1) = -29

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7-5+3x-1=7x+7 | | 7x+3x-8x-5=3 | | 5m+7n=13 | | 7-5+3x-1=5x+4 | | 7-5+3x-1=2x+1 | | 7-5+3x-1=6x+4 | | 7-5+3x-1=4x+6 | | 7-5+3x-1=1x+1 | | S-4z=7z-4-z | | 7*Log(3x)+3*log(5x)=15 | | 7-5+3x-1=5x+3 | | 7-5+3x-1=7x+3 | | 9w+8=4w+23 | | 5x+4=-3x+(-2) | | p+2p=3-2p+13-3p | | y=1.7x+5.1 | | 2(x+1)(x+1)+4=14 | | -11+41=-3(x+5) | | 4k-2k-3=7-8k | | 8x-2-5x+7=7x+8 | | 8x-2-5x+7=7x+4 | | 2(x+2)=2x+3+1 | | 2y^2+11y=y^2+3y-28 | | 7w^2-14w-13=8 | | S-3z=8z-8-z | | v^2+2v-14=-12 | | 6r+4=7 | | Y=0.5(x-3)(x+3) | | L=1458/6(9) | | 6x-3x+4-2x=0x+0 | | 6x-3x+4-2x=8x+3 | | 8r+4=28 |

Equations solver categories