6x^2+3x+5=8

Simple and best practice solution for 6x^2+3x+5=8 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 6x^2+3x+5=8 equation:


Simplifying
6x2 + 3x + 5 = 8

Reorder the terms:
5 + 3x + 6x2 = 8

Solving
5 + 3x + 6x2 = 8

Solving for variable 'x'.

Reorder the terms:
5 + -8 + 3x + 6x2 = 8 + -8

Combine like terms: 5 + -8 = -3
-3 + 3x + 6x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-3 + 3x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-1 + x + 2x2) = 0

Factor a trinomial.
3((-1 + -1x)(1 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-1, 0.5}

See similar equations:

| 2b+1=9 | | 2x-29=95 | | 2x^2-14x+49=13 | | 12y+6=10 | | (2x-29)+95=180 | | 114=7x+4x-7 | | 2x+3=Bch | | 2x+3=Bc | | 24+3x-11=5x+7 | | -2*-6.5+-20=Y | | 4w-4x-y+2w+17x-6y= | | 24=9(r-3) | | -3(x-1)+2x=-2 | | 16t^2-144t+128=0 | | 5k^2-92=3k | | (2x+8y)-(9x+3y)= | | 8h-23=57 | | x^5-x^4+10x^3-10x^2+9x-9=0 | | 11x-3y+9w+4y-3w+6y= | | -8X+8(-2X+-20)=-4 | | 2y*8=18 | | 45+120x=15 | | 2w+8y+11x+2x-15y+4w= | | 0.40x+0.15(80)=0.20(46) | | 4(7+x)=20 | | 6-log(9)[x+10]=5 | | X-4*4=18 | | 5x^2+12x=X^2+72 | | -16=-5x+3x-10 | | -8X+8Y(-2X-20)=-4 | | 3w+4x+14y+3w+9x-7y= | | 14a-93=49-57x |

Equations solver categories