3x^2+30x+225=0

Simple and best practice solution for 3x^2+30x+225=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+30x+225=0 equation:


Simplifying
3x2 + 30x + 225 = 0

Reorder the terms:
225 + 30x + 3x2 = 0

Solving
225 + 30x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(75 + 10x + x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(75 + 10x + x2)' equal to zero and attempt to solve: Simplifying 75 + 10x + x2 = 0 Solving 75 + 10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-75' to each side of the equation. 75 + 10x + -75 + x2 = 0 + -75 Reorder the terms: 75 + -75 + 10x + x2 = 0 + -75 Combine like terms: 75 + -75 = 0 0 + 10x + x2 = 0 + -75 10x + x2 = 0 + -75 Combine like terms: 0 + -75 = -75 10x + x2 = -75 The x term is 10x. Take half its coefficient (5). Square it (25) and add it to both sides. Add '25' to each side of the equation. 10x + 25 + x2 = -75 + 25 Reorder the terms: 25 + 10x + x2 = -75 + 25 Combine like terms: -75 + 25 = -50 25 + 10x + x2 = -50 Factor a perfect square on the left side: (x + 5)(x + 5) = -50 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:

| -1.2(2x+4)+x=3x+4 | | 19+5x=4(7x-8) | | x^3-6x^2-6x=0 | | 3m+1=1+3m | | 5.95+.95n=11.77 | | 2x^3-50a^2x+24x^2+72x=0 | | g(x)=9x^2+117x-13 | | 7x+17=73 | | M=54.15 | | x^3-6x^2-56xant=0 | | 9x-2+3-4x= | | x^2+x+720=0 | | 2m-13=7-8m+27 | | 5(3z+8)=16-3(z-8) | | 12-(n+6)=3n+14-2n | | -6x-7=9x+17 | | 2(c+6)=5 | | 0000+60-7=10 | | 35x+9x-2=0 | | D=3.2 | | .20-.08(x-10)=24.0 | | 10c+12=-4c+78 | | -0.10(16)+0.30x=0.05(x-12) | | 7(x+3)-5=3 | | 1-4(x+4)=6x-15 | | 6x-5x+3x-4+4x= | | 8x+6+7x-8+5x+2=180 | | 4x+b=12 | | v=-44+3v | | D=m | | 7x-9x=3 | | -7x+4(4x+8)=140 |

Equations solver categories