6y^2+3y-84=0

Simple and best practice solution for 6y^2+3y-84=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 6y^2+3y-84=0 equation:


Simplifying
6y2 + 3y + -84 = 0

Reorder the terms:
-84 + 3y + 6y2 = 0

Solving
-84 + 3y + 6y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-28 + y + 2y2) = 0

Factor a trinomial.
3((-4 + -1y)(7 + -2y)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-4 + -1y)' equal to zero and attempt to solve: Simplifying -4 + -1y = 0 Solving -4 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1y = 0 + 4 -1y = 0 + 4 Combine like terms: 0 + 4 = 4 -1y = 4 Divide each side by '-1'. y = -4 Simplifying y = -4

Subproblem 2

Set the factor '(7 + -2y)' equal to zero and attempt to solve: Simplifying 7 + -2y = 0 Solving 7 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2y = 0 + -7 -2y = 0 + -7 Combine like terms: 0 + -7 = -7 -2y = -7 Divide each side by '-2'. y = 3.5 Simplifying y = 3.5

Solution

y = {-4, 3.5}

See similar equations:

| 4x-4=-12(2x-1/3) | | -2x+17=x*5 | | 18y=-12x+9 | | 4g+6g-39= | | 18y=12x+9 | | 17g+9= | | 6g+4(22-g)=-8 | | 14x=-7y+63 | | C/3×7=4×2 | | 6g+4(22-y)=-8 | | 8x-6-7x+10= | | 8-2x-10=x-3 | | -5+2(0)=5 | | X+x-3=5 | | -5(2p+2)=-14-6p | | -6+2=56 | | -x+2(0)=5 | | -2+4(4+x)=2x-4(6-3x) | | C/3a=4b | | 2(8+6)=22 | | 18+6-2(4)-15= | | .25x+.3y=62.75 | | 3(-2+5n)=-126 | | -3(2(-2)+5(5))= | | 2x+10-3x-6=x-3 | | 3n^2-21n+18= | | 7+8(m+1)=27 | | -3(-4+25)= | | f(x)=raizx-3 | | B^2-4b+b=0 | | (9y-3)-(3y+5)= | | S=2h(1+w)+21w |

Equations solver categories