21g^2-8g-4=0

Simple and best practice solution for 21g^2-8g-4=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 21g^2-8g-4=0 equation:


Simplifying
21g2 + -8g + -4 = 0

Reorder the terms:
-4 + -8g + 21g2 = 0

Solving
-4 + -8g + 21g2 = 0

Solving for variable 'g'.

Factor a trinomial.
(-2 + -7g)(2 + -3g) = 0

Subproblem 1

Set the factor '(-2 + -7g)' equal to zero and attempt to solve: Simplifying -2 + -7g = 0 Solving -2 + -7g = 0 Move all terms containing g to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -7g = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7g = 0 + 2 -7g = 0 + 2 Combine like terms: 0 + 2 = 2 -7g = 2 Divide each side by '-7'. g = -0.2857142857 Simplifying g = -0.2857142857

Subproblem 2

Set the factor '(2 + -3g)' equal to zero and attempt to solve: Simplifying 2 + -3g = 0 Solving 2 + -3g = 0 Move all terms containing g to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3g = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3g = 0 + -2 -3g = 0 + -2 Combine like terms: 0 + -2 = -2 -3g = -2 Divide each side by '-3'. g = 0.6666666667 Simplifying g = 0.6666666667

Solution

g = {-0.2857142857, 0.6666666667}

See similar equations:

| (3x+22)+41=180 | | -3(h-4)=-48 | | x+14=147 | | (3x+22)+139=180 | | -7x+44=-123+4x | | -3(h-4)=48 | | ln(3x+4)-ln(x)=ln(4) | | f(x)=3x^2-12x+6 | | 2x-7+6x+2=-11 | | 3-3*6+2=-17 | | x^2-10n+9=0 | | 0=20-0.02(500) | | (2x-5)(6x-2)= | | -4x^2-x+7=0 | | F(x)=3x^2+x-18 | | (13x-11)+113=180 | | -2y+3x=-10 | | 8=15v-7v | | 18x=44 | | 2x+3(-3)=-21 | | 37=d-18 | | 0=20-0.02p | | (13x-11)+67=180 | | 3z-5=2z+1 | | 2ax+18+4x+b=20x+35 | | 0=13-0.02p | | -7x-y=-3 | | -3+2x=-y | | q=13-0.02 | | t^3+729=0 | | -1=-2+x*15 | | -1(x+1)=-2(5-x) |

Equations solver categories