20+(x+4)*x=

Simple and best practice solution for 20+(x+4)*x= 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 20+(x+4)*x= equation:


Simplifying
20 + (x + 4) * x = 0

Reorder the terms:
20 + (4 + x) * x = 0

Reorder the terms for easier multiplication:
20 + x(4 + x) = 0
20 + (4 * x + x * x) = 0
20 + (4x + x2) = 0

Solving
20 + 4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-20' to each side of the equation.
20 + 4x + -20 + x2 = 0 + -20

Reorder the terms:
20 + -20 + 4x + x2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 4x + x2 = 0 + -20
4x + x2 = 0 + -20

Combine like terms: 0 + -20 = -20
4x + x2 = -20

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -20 + 4

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

Combine like terms: -20 + 4 = -16
4 + 4x + x2 = -16

Factor a perfect square on the left side:
(x + 2)(x + 2) = -16

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1.7-x=-1.7 | | 20x+10-8x+12=3 | | 9s-4=23 | | 100f-100=50f+100 | | S/2=8 | | -5/6h+25=20 | | w^2-2w=4 | | 2x-9y/4x+4x-3/8x+1 | | (x+3)/(3x+3)/(x+2)/(x^2-2x-3) | | x-24=100-x | | 2(3a+6)=3(-4a+12) | | 3-4x/5=7 | | 6y-56y+76=8+6y | | 5x^2-12x+4= | | 12-3m=7m+24 | | 2x^2-7x+15= | | 12=5x+8 | | 2(x)(x)+8x-56=-6 | | k^2-6k+1=0 | | (x)(x)+16x+63=0 | | 2(x-2)=24 | | p+q=2q+px | | 4a+3-2a+2=5a-13+a | | 43-6(x)(x)=0 | | 10x(4x-2)= | | 2(x)(x)-152=0 | | 2x(5-2x)=8x-12 | | 0.45x+0.05(16-x)=0.10(0) | | 42b=84 | | 5x=2a | | 7(m+8)-5= | | 49(x)(x)+15x-8=x |

Equations solver categories