x(x+3)=4

Simple and best practice solution for x(x+3)=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 x(x+3)=4 equation:


Simplifying
x(x + 3) = 4

Reorder the terms:
x(3 + x) = 4
(3 * x + x * x) = 4
(3x + x2) = 4

Solving
3x + x2 = 4

Solving for variable 'x'.

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

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

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

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

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

Solution

x = {-4, 1}

See similar equations:

| x/2-1/x=(6x+5)/12 | | (x-5)(x-5)=25 | | 5x=-3x+21 | | 19/6+4y=8y-1/6 | | 4(t+6)=7t+3 | | x^2-50x+312=0 | | +14=19 | | b^2-2b-15= | | (6x+9)(x^2-2x+1)= | | +8= | | 4(x+1)=10x+10 | | 2x-1=66 | | 0=25t^2+8t | | 3m^2-15m=0 | | 64-729x^3=0 | | -5x+(-45)=-15 | | lny=1.2+.8x | | -m+5m=6(-2)+5 | | 4=-0.0055x^2+1.2x+15 | | 8x+2y+6=0 | | 2(z+1)=4z+14 | | h=25t^2+8t | | 4d+3d+4d+5-3d=0 | | 4x+1=-12 | | 3j-j=-3(-6+2) | | X*5x=3600 | | 4x+5x-3=x+13 | | 3x^2=9-3y^2-6y | | 0.3(0.1x+0.3)=-0.3 | | -2-8-3=-4m+7m | | 96-12/6 | | p=25x-(10x+250) |

Equations solver categories