21w^2-17w-4=6w^2

Simple and best practice solution for 21w^2-17w-4=6w^2 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 21w^2-17w-4=6w^2 equation:


Simplifying
21w2 + -17w + -4 = 6w2

Reorder the terms:
-4 + -17w + 21w2 = 6w2

Solving
-4 + -17w + 21w2 = 6w2

Solving for variable 'w'.

Combine like terms: 21w2 + -6w2 = 15w2
-4 + -17w + 15w2 = 6w2 + -6w2

Combine like terms: 6w2 + -6w2 = 0
-4 + -17w + 15w2 = 0

Factor a trinomial.
(-1 + -5w)(4 + -3w) = 0

Subproblem 1

Set the factor '(-1 + -5w)' equal to zero and attempt to solve: Simplifying -1 + -5w = 0 Solving -1 + -5w = 0 Move all terms containing w to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -5w = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -5w = 0 + 1 -5w = 0 + 1 Combine like terms: 0 + 1 = 1 -5w = 1 Divide each side by '-5'. w = -0.2 Simplifying w = -0.2

Subproblem 2

Set the factor '(4 + -3w)' equal to zero and attempt to solve: Simplifying 4 + -3w = 0 Solving 4 + -3w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3w = 0 + -4 -3w = 0 + -4 Combine like terms: 0 + -4 = -4 -3w = -4 Divide each side by '-3'. w = 1.333333333 Simplifying w = 1.333333333

Solution

w = {-0.2, 1.333333333}

See similar equations:

| 6x-8x-4=10 | | y=2x^2-4+5x | | v-5/2=-2/3v-5/3 | | (3-6n)+(5n^4+7)= | | 10+5x=-15+1x | | 3x-7x+2=8x-10 | | 224-x^2=x | | 0.5f+11=-4 | | cbrt(6x^2y^4)/(2cbrt(5x^7y)) | | a-56=4 | | 3x=104 | | 3x-105+89=72 | | 4.1x-9.84=8.2 | | -9/2a=18 | | .2x=1.1 | | 4x-5x=81 | | (X-45)(x-45)+x(x-45)+x=540 | | Y=-35+84 | | E=125n+30n | | 5/6x7/5 | | 1/3x1/4x2/3= | | 7n+n=6 | | 4x^2=100-25y^2 | | 8d-2d+3d+8=3d | | -7(7x+3)-6x=-296 | | 0.11d+6=11 | | 7s=56 | | (X+6)*x=280 | | d=p(1+rt) | | n+11n=6 | | 5(2y-1)=25 | | 3*8-6/2 |

Equations solver categories