3x^2=x+4

Simple and best practice solution for 3x^2=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^2=x+4 equation:


Simplifying
3x2 = x + 4

Reorder the terms:
3x2 = 4 + x

Solving
3x2 = 4 + x

Solving for variable 'x'.

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

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

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

Combine like terms: x + -1x = 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:

| 60x^2-107x-77=0 | | 3x+4x=7x | | 3x^2-x-4=0 | | 2x^2+8x+14=11 | | -6y+5y=4y | | 3x^2-24x+45=0 | | 6(9+x)=66 | | 5x+2y+7=0 | | 9x+3y=8 | | y=-x^2-8x-17 | | 150+35x=60x | | -6(8-x)+15=-51 | | 12-5x=-7x-2 | | 6(x-6)+4=8(x+2)-8 | | 82=2(W+15+W) | | 3x+5-6x=-16 | | 2q^2+4q-1=7q^2-7q+1 | | 2(10-y)=30 | | 10x+6-x=33 | | 5p^2-25=4p^2+24 | | 10+11*h+3=233 | | 2.25=1.5b | | 0.027m*2=0.035m | | 0.027m*2m=0.035+0 | | x^2+9x=-20 | | 3(-1x+4)=-21 | | 3.7g=4.44 | | 5x+24=11-2x | | 6-3x=18x | | 0.027m+2=0.035 | | -0.2(x+1)=0.3(x+111) | | 3x-42=79 |

Equations solver categories