3x^2=39x-66

Simple and best practice solution for 3x^2=39x-66 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=39x-66 equation:


Simplifying
3x2 = 39x + -66

Reorder the terms:
3x2 = -66 + 39x

Solving
3x2 = -66 + 39x

Solving for variable 'x'.

Reorder the terms:
66 + -39x + 3x2 = -66 + 39x + 66 + -39x

Reorder the terms:
66 + -39x + 3x2 = -66 + 66 + 39x + -39x

Combine like terms: -66 + 66 = 0
66 + -39x + 3x2 = 0 + 39x + -39x
66 + -39x + 3x2 = 39x + -39x

Combine like terms: 39x + -39x = 0
66 + -39x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(22 + -13x + x2) = 0

Factor a trinomial.
3((2 + -1x)(11 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 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 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {2, 11}

See similar equations:

| 5u^2-6=-13 | | 9x-6y+4=-8 | | 4-7z=12-3.z | | 2x^2+15=13x | | 18c-1=8 | | 225-9(7)=n | | 6-y=45 | | 4x^2+60x+224=840 | | 6-6=4 | | 65-9(7)=n | | 3x^2+12x=36 | | n/3-3=6 | | -4.8x-1.4=3,2 | | x+(x+6)=20 | | 8b^4+4b^4-6b^4-4b^4= | | 6b+11=35 | | -2(6-x)=4(x-3) | | 4(x+4)=3(2-2x) | | 84=6y | | -8+a=7 | | 3x^3+x^2-75x-13-12=0 | | -2-7= | | 6(x+2)=2(1-2x) | | x^3-9x^2+1=0 | | .6x-.3=1.5+.9x | | 3x^3+x^2-75x-13=12 | | .6x-.3=1.5+.9 | | 11=-6a-1 | | 5x-2=3(x+8) | | x^2+2.5x-3=0.5 | | 3x-6=2(x+5) | | 3=12w+7 |

Equations solver categories