2w^2+4w-126=0

Simple and best practice solution for 2w^2+4w-126=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 2w^2+4w-126=0 equation:


Simplifying
2w2 + 4w + -126 = 0

Reorder the terms:
-126 + 4w + 2w2 = 0

Solving
-126 + 4w + 2w2 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-63 + 2w + w2) = 0

Factor a trinomial.
2((-9 + -1w)(7 + -1w)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-9 + -1w)' equal to zero and attempt to solve: Simplifying -9 + -1w = 0 Solving -9 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1w = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1w = 0 + 9 -1w = 0 + 9 Combine like terms: 0 + 9 = 9 -1w = 9 Divide each side by '-1'. w = -9 Simplifying w = -9

Subproblem 2

Set the factor '(7 + -1w)' equal to zero and attempt to solve: Simplifying 7 + -1w = 0 Solving 7 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1w = 0 + -7 -1w = 0 + -7 Combine like terms: 0 + -7 = -7 -1w = -7 Divide each side by '-1'. w = 7 Simplifying w = 7

Solution

w = {-9, 7}

See similar equations:

| x*115=30 | | -5-0.8y=7 | | -6+3x-2x=0 | | 80=7x+2x-10 | | -6(-4x+2)=-x+38 | | q-5/5=14 | | x*30=115 | | 9x=4x-10 | | 22y=18(y-2) | | 40x^2+240x+90=0 | | q-5/2=14 | | 2-24=8 | | 34+3n=7(6n-4)-8n | | q-5*2=14 | | 68x=17 | | q-5=14 | | 2=-9x | | 8x^2+10x=46 | | 28+8x=4(6x-5) | | 2q/3=14 | | x/2=x^2-3 | | 9/2x+18+3x=11/2 | | 4y-2x=8 | | (3)/(1-9x)/(x) | | 2.5x+5.5x=1 | | 2q/2=14 | | 2x+5=-7-10x | | 12b=36 | | 8(1+x)-4=2+7x | | x^4+2x^2-x+1=0 | | 2x+1/x+5 | | 4x-4=12x-38 |

Equations solver categories