x(x+4)=8x+5

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


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

Reorder the terms:
x(4 + x) = 8x + 5
(4 * x + x * x) = 8x + 5
(4x + x2) = 8x + 5

Reorder the terms:
4x + x2 = 5 + 8x

Solving
4x + x2 = 5 + 8x

Solving for variable 'x'.

Reorder the terms:
-5 + 4x + -8x + x2 = 5 + 8x + -5 + -8x

Combine like terms: 4x + -8x = -4x
-5 + -4x + x2 = 5 + 8x + -5 + -8x

Reorder the terms:
-5 + -4x + x2 = 5 + -5 + 8x + -8x

Combine like terms: 5 + -5 = 0
-5 + -4x + x2 = 0 + 8x + -8x
-5 + -4x + x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-5 + -4x + x2 = 0

Factor a trinomial.
(-1 + -1x)(5 + -1x) = 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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-1, 5}

See similar equations:

| 18=2x-4 | | x^2+25x-84=0 | | (5x+4)(7x-5x-1)=0 | | 2t^2+17t+35=0 | | ln(7-x)+ln(3x+5)=ln(24x) | | 8x-1=7(x+5)+2 | | 2(x+3)=2x-3 | | 1.2x+3.6=14.4 | | 4(5y-3)+9=6(3y+1)-17 | | 1.2+3.6=14.4 | | 4(2y-3)=28 | | 1.2+3.6= | | p-12=43 | | 51=4x-13 | | z^2+7z-18= | | 17=5x | | 0=t(t+5) | | y^2-12y+20= | | -3X=32 | | 4b^2=20b | | w(10w+3)=7 | | x-(-3)=-12 | | 10x-2(x-5)=8x+2 | | (4x^2)y+8y=2x | | x+(x+1)+(x+2)=x^3+85 | | 1/3(2x+3)-1/5(x+6)=4 | | x(x+1)(x+2)=x^3+85 | | 5(2x-2)-5x=0 | | -(15-35)-(7s+1)=60 | | b^2=20b | | 16+9w=7+27w | | -40000x^2+8820x+190000=0 |

Equations solver categories