4x^2+16x+20=0

Simple and best practice solution for 4x^2+16x+20=0 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 4x^2+16x+20=0 equation:


Simplifying
4x2 + 16x + 20 = 0

Reorder the terms:
20 + 16x + 4x2 = 0

Solving
20 + 16x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(5 + 4x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(5 + 4x + x2)' equal to zero and attempt to solve: Simplifying 5 + 4x + x2 = 0 Solving 5 + 4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + 4x + -5 + x2 = 0 + -5 Reorder the terms: 5 + -5 + 4x + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x + x2 = 0 + -5 4x + x2 = 0 + -5 Combine like terms: 0 + -5 = -5 4x + x2 = -5 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 = -5 + 4 Reorder the terms: 4 + 4x + x2 = -5 + 4 Combine like terms: -5 + 4 = -1 4 + 4x + x2 = -1 Factor a perfect square on the left side: (x + 2)(x + 2) = -1 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 3x-4=5x-5 | | 56x^2+71x+8=0 | | 6-(2/x)=(4/x-1) | | -6m-2=m-11 | | 6-2/x=4/x-1 | | 150= | | 16-h=1 | | 12x^2+24x+36=0 | | 1-2a^5+a^10= | | 120= | | -48x^2+14x+49=0 | | 3x+13y=100 | | 48-4=m | | 48x^2+46x-5=0 | | -3/4v=-18 | | 8x-5 | | 2(2-x)+3(x-4)=4(x+8) | | 28=x-1(2x) | | 8+12a^2+6a^4+a^6= | | 24x^2+30x+6=0 | | -1.3+x/7=18.8 | | -7w-16=5w+20 | | 28x^2-10x-12=0 | | 4/7w=28 | | 12x^2+7x-1=0 | | -6-12y=-54 | | T-7=8 | | -5x^2+6x+9=0 | | 4x^2-4x-62=0 | | -3/8(y+1/9)=1/8(y+2/3) | | -14/25-(-1/15) | | 5x^2-6x-9=0 |

Equations solver categories