x^2+4x+20=-4x+5

Simple and best practice solution for x^2+4x+20=-4x+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^2+4x+20=-4x+5 equation:


Simplifying
x2 + 4x + 20 = -4x + 5

Reorder the terms:
20 + 4x + x2 = -4x + 5

Reorder the terms:
20 + 4x + x2 = 5 + -4x

Solving
20 + 4x + x2 = 5 + -4x

Solving for variable 'x'.

Reorder the terms:
20 + -5 + 4x + 4x + x2 = 5 + -4x + -5 + 4x

Combine like terms: 20 + -5 = 15
15 + 4x + 4x + x2 = 5 + -4x + -5 + 4x

Combine like terms: 4x + 4x = 8x
15 + 8x + x2 = 5 + -4x + -5 + 4x

Reorder the terms:
15 + 8x + x2 = 5 + -5 + -4x + 4x

Combine like terms: 5 + -5 = 0
15 + 8x + x2 = 0 + -4x + 4x
15 + 8x + x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
15 + 8x + x2 = 0

Factor a trinomial.
(5 + x)(3 + x) = 0

Subproblem 1

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-5, -3}

See similar equations:

| x^2+7x-6=2 | | 2(3x+5)+2(4x-3)= | | 19+8x=12x+14 | | 3x^2+11x-16=0 | | 36X^2-121=0 | | 10x^2-29x-3=0 | | t+10=44 | | 10x^2+11x+1=0 | | 4x-11=21 | | 5x=54 | | x^2+3x-10=2x+2 | | 5x+x=36 | | 4(4x-4)=2(8x+6) | | -9x+50=-2x+8 | | 4x^2(2x)= | | 6x+21=7x+2 | | v^2=32-4v | | -x-35=8x-8 | | 2x-9=-7x | | 1.3x-4=5 | | 5=a+2b | | -10x+104=7x-6+5x | | -2x-9=7x | | 7x-73=2x-8 | | 2x+32=10x-40 | | x(-3x)= | | 3xx+2xx=4x | | 102-6x=30x+22 | | 13-8x=161-36x | | -85-10x=10x+15 | | 111-3x=4x+20 | | -x^2+8x-9=o |

Equations solver categories