3x*x-x=4

Simple and best practice solution for 3x*x-x=4 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*x-x=4 equation:


Simplifying
3x * x + -1x = 4

Multiply x * x
3x2 + -1x = 4

Reorder the terms:
-1x + 3x2 = 4

Solving
-1x + 3x2 = 4

Solving for variable 'x'.

Reorder the terms:
-4 + -1x + 3x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + -1x + 3x2 = 0

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

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 '(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 = {-1, 1.333333333}

See similar equations:

| 6h=84 | | x/6+3=x/6 | | 3x*x-x=-4 | | x+x+1+x+2+x+3=-60 | | 3x^2+2/2=4 | | x*x+11x=-28 | | x+x+1+x+2+x+3=60 | | 6(6x+6)-5=1 | | 7p+3=12 | | (2y^2+3y-4)/(y-2) | | x*x=19x+42 | | -3(9)= | | x/3-5/3=x/2+x/9 | | -7+2x=-29 | | W(15+w)=54 | | 100=2x+200/x | | 5/x-2-3/x+1=4/(x-2)(x+1) | | 6x(-10x)=-2 | | x*x-17x-18=0 | | 5.6x-1=4.6x | | 10p+9-11-p=20 | | x*x-17x-17=0 | | (7x+1)(x+4)=0 | | 5x(3a+4b-2)= | | ((2x^2)/3)(6/x) | | 2x/7-1/4=3x/8+1/5 | | 2=(k-7)/3 | | M+-16=-4 | | (r/2)+2r=7 | | x*x-x-20=0 | | x/3-x/12=x/4-1/3 | | r/2+2r=7 |

Equations solver categories