(x+8)(x+5)=4

Simple and best practice solution for (x+8)(x+5)=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+8)(x+5)=4 equation:


Simplifying
(x + 8)(x + 5) = 4

Reorder the terms:
(8 + x)(x + 5) = 4

Reorder the terms:
(8 + x)(5 + x) = 4

Multiply (8 + x) * (5 + x)
(8(5 + x) + x(5 + x)) = 4
((5 * 8 + x * 8) + x(5 + x)) = 4
((40 + 8x) + x(5 + x)) = 4
(40 + 8x + (5 * x + x * x)) = 4
(40 + 8x + (5x + x2)) = 4

Combine like terms: 8x + 5x = 13x
(40 + 13x + x2) = 4

Solving
40 + 13x + x2 = 4

Solving for variable 'x'.

Reorder the terms:
40 + -4 + 13x + x2 = 4 + -4

Combine like terms: 40 + -4 = 36
36 + 13x + x2 = 4 + -4

Combine like terms: 4 + -4 = 0
36 + 13x + x2 = 0

Factor a trinomial.
(9 + x)(4 + x) = 0

Subproblem 1

Set the factor '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Subproblem 2

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

Solution

x = {-9, -4}

See similar equations:

| 8(x+6)-3(2x+9)=2(x+13.5) | | 8h-23=49 | | 9x^2+4+9x^2+4=8+3x | | 8(n-1)=52+4n | | (2x+17)x(4x-4)x(6x+9)= | | (4n-3)(n-3)=0 | | 28.72+.31x=40 | | 115=8x+19 | | 22=5a+7(a-2) | | (x-5)(x-9)=-5 | | 4(3t+1)=t | | 50.24x=500 | | 7y+1=8y-7+2y | | 3(x-5)+2=7 | | 3r-3=4r-7 | | f(x)=2x^2-4x-8 | | (x^2-34x-136)=0 | | 9x-4+3x+8=6x+16 | | x+(x+3)(-3)=-3 | | 88y+88y=400-24y | | x+4=8x+48 | | -4.4-b/5=-4.8 | | m+4=3m | | 3b-11=10 | | 2+8y=9+y | | 4c=5c+3 | | -4w-8=-8(w+3) | | 2(x^2-34x-136)=0 | | 18-4h=16 | | 8b-3=12+5b | | 20+2*b=52 | | n+(2n-15)=120 |

Equations solver categories