3x^2+21x+48=0

Simple and best practice solution for 3x^2+21x+48=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 3x^2+21x+48=0 equation:


Simplifying
3x2 + 21x + 48 = 0

Reorder the terms:
48 + 21x + 3x2 = 0

Solving
48 + 21x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(16 + 7x + x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(16 + 7x + x2)' equal to zero and attempt to solve: Simplifying 16 + 7x + x2 = 0 Solving 16 + 7x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-16' to each side of the equation. 16 + 7x + -16 + x2 = 0 + -16 Reorder the terms: 16 + -16 + 7x + x2 = 0 + -16 Combine like terms: 16 + -16 = 0 0 + 7x + x2 = 0 + -16 7x + x2 = 0 + -16 Combine like terms: 0 + -16 = -16 7x + x2 = -16 The x term is 7x. Take half its coefficient (3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. 7x + 12.25 + x2 = -16 + 12.25 Reorder the terms: 12.25 + 7x + x2 = -16 + 12.25 Combine like terms: -16 + 12.25 = -3.75 12.25 + 7x + x2 = -3.75 Factor a perfect square on the left side: (x + 3.5)(x + 3.5) = -3.75 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:

| x^3+9x+81=0 | | x^3+24x+48=0 | | -7=n/5 | | -7x-12=4 | | .50x=.50 | | (7z+9)(49z^2-63z+81)= | | graphy=-x+5 | | 3u^2-16u+20=0 | | 4/5=100/x | | 4m-2=17+m | | a-(2a)/5=3 | | 13x-10=54+5x | | 7/y^2-1 | | 1/3-3/5-3/4-4/2 | | 2x-8=3x-24 | | 24+3x=40 | | 3(-5+2x)=21 | | 2x+3y+9x-4y= | | 3(x-2)-2=-2x*7 | | -8b=136 | | 9p-9/4p | | 5p-5/p | | -4x^2+5=3(2x+1)+2 | | a/9-2/9=-1 | | x-4-3x=0 | | 31+k=12 | | 8/1-3/5 | | 2(5*6)+8x=32 | | 7x-5=4x-17 | | -5b+6(-10-96)=106+38 | | a-2/9=-1 | | 3z+12=2z+3 |

Equations solver categories