(x+4)*x=396

Simple and best practice solution for (x+4)*x=396 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+4)*x=396 equation:


Simplifying
(x + 4) * x = 396

Reorder the terms:
(4 + x) * x = 396

Reorder the terms for easier multiplication:
x(4 + x) = 396
(4 * x + x * x) = 396
(4x + x2) = 396

Solving
4x + x2 = 396

Solving for variable 'x'.

Reorder the terms:
-396 + 4x + x2 = 396 + -396

Combine like terms: 396 + -396 = 0
-396 + 4x + x2 = 0

Factor a trinomial.
(-22 + -1x)(18 + -1x) = 0

Subproblem 1

Set the factor '(-22 + -1x)' equal to zero and attempt to solve: Simplifying -22 + -1x = 0 Solving -22 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '22' to each side of the equation. -22 + 22 + -1x = 0 + 22 Combine like terms: -22 + 22 = 0 0 + -1x = 0 + 22 -1x = 0 + 22 Combine like terms: 0 + 22 = 22 -1x = 22 Divide each side by '-1'. x = -22 Simplifying x = -22

Subproblem 2

Set the factor '(18 + -1x)' equal to zero and attempt to solve: Simplifying 18 + -1x = 0 Solving 18 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1x = 0 + -18 -1x = 0 + -18 Combine like terms: 0 + -18 = -18 -1x = -18 Divide each side by '-1'. x = 18 Simplifying x = 18

Solution

x = {-22, 18}

See similar equations:

| 20%n=3 | | 5x+2=17-x | | -4/9=16/27 | | 49x^2+98x+45=0 | | 8+2h=14 | | -3y-x=6 | | 2.4+1.2-6.5=0.7 | | 10+2-x=21 | | y+1=3y+9 | | 0.08(y-5)+0.06y=0.04y-0.7 | | 2w-8=3(w-3)+w | | 2x+64=7 | | -5(y+6)+3y=12 | | y+1(1)=y+3(3) | | 15.00+24=249.00 | | 5x+2y=230 | | 5(x+4)=-10 | | 0.6(4x+8)=1.2-(x+2) | | 12y/32y^2 | | 3x+8=5+8x | | -7(2t+2)=0 | | 9r+10x= | | 20y/28y^2 | | 2y+4=30 | | -12x^2+2x+2=0 | | 4(f-9)=-40 | | -10(s+1)=-58 | | (2y-11)(y^2-3y+2)=0 | | 3x-5(x-4)=-7+2x+11 | | a+3n+(3a-b)i=6+6i | | 3x-5(x-4)=-6+5x-23 | | 0.25(8x+16)= |

Equations solver categories