3x^2-7x-66=0

Simple and best practice solution for 3x^2-7x-66=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 3x^2-7x-66=0 equation:


Simplifying
3x2 + -7x + -66 = 0

Reorder the terms:
-66 + -7x + 3x2 = 0

Solving
-66 + -7x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-11 + -3x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-11 + -3x)' equal to zero and attempt to solve: Simplifying -11 + -3x = 0 Solving -11 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -3x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -3x = 0 + 11 -3x = 0 + 11 Combine like terms: 0 + 11 = 11 -3x = 11 Divide each side by '-3'. x = -3.666666667 Simplifying x = -3.666666667

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-3.666666667, 6}

See similar equations:

| -4-3(3x+2)=x+4 | | 7x+9+49+80=180 | | 5y+7=2(y-4)-3 | | 2x*x=350 | | 3x=16-7x | | x-7=12x-3-8x+1 | | 72+58+x+50=180 | | 51+5x+11+7x+10=180 | | x-7=12x-3-8x-1 | | 1=k+4/9 | | -4(3)=3(2) | | -0.5y=10.5 | | 55+50+6x+9=180 | | 4x^2+8x=97 | | 3y+2=22 | | 41+9x+4=90 | | -6=8x-6 | | 2v-2=-8 | | 2+.8x=-.4+.5x | | 0.6c+6=-12 | | 1.5k=7.05 | | 7x-6+5x-4=14 | | 7y+7=7y-y | | 6x-4=-25 | | 136.00+0.16t=190m | | 6x-[4x-(2x-8y)]-6y= | | 9n-3=42 | | 39.19+.25x=100 | | R-10=10 | | 0.70x+0.20(140)=0.35(56) | | 8x-5=107 | | 4-21=8x-9-7x |

Equations solver categories