12=3x^2-5x

Simple and best practice solution for 12=3x^2-5x 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 12=3x^2-5x equation:


Simplifying
12 = 3x2 + -5x

Reorder the terms:
12 = -5x + 3x2

Solving
12 = -5x + 3x2

Solving for variable 'x'.

Reorder the terms:
12 + 5x + -3x2 = -5x + 5x + 3x2 + -3x2

Combine like terms: -5x + 5x = 0
12 + 5x + -3x2 = 0 + 3x2 + -3x2
12 + 5x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
12 + 5x + -3x2 = 0

Factor a trinomial.
(3 + -1x)(4 + 3x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(4 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Solution

x = {3, -1.333333333}

See similar equations:

| -3x-9y=162 | | 7/6-r/9 | | 5(1-p)+7(p-8)=-59 | | 4x^2+9y^2-40=0 | | a/8=6/11 | | 7x+7(2x+14)=-112 | | x/0.4-2x | | 5(t+2)-2=6t-8 | | 7/11=6/r | | 3x-4(7+1y)=15 | | 8=-2x^2+8x | | 5y-3x=-33 | | 11/12=7/x | | .17x-.07(x-8)=30.4 | | sqrt(14)/sqrt(10) | | x+17=48 | | -3(6k-3)=-18-14 | | (9b-5)-2(4b+4)=-7 | | 2x-4x=26 | | 8m+2+4m=2[6m+1] | | 6y+6=-6 | | 4+10x=28 | | 2a-8+7a+3-4a+5= | | 39.99+0.45x=44.99+0.4x | | 8+8h=-4-4h | | 9v=7v+6 | | 3/8+5/12=8/20 | | 8*63+8*3= | | f(20)=2(20)-18 | | x=14-y | | 5x+22=441 | | -85=8x-13 |

Equations solver categories