-3x^2-54x=135

Simple and best practice solution for -3x^2-54x=135 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^2-54x=135 equation:


Simplifying
-3x2 + -54x = 135

Reorder the terms:
-54x + -3x2 = 135

Solving
-54x + -3x2 = 135

Solving for variable 'x'.

Reorder the terms:
-135 + -54x + -3x2 = 135 + -135

Combine like terms: 135 + -135 = 0
-135 + -54x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '-3'.
-3(45 + 18x + x2) = 0

Factor a trinomial.
-3((15 + x)(3 + x)) = 0

Ignore the factor -3.

Subproblem 1

Set the factor '(15 + x)' equal to zero and attempt to solve: Simplifying 15 + x = 0 Solving 15 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + x = 0 + -15 x = 0 + -15 Combine like terms: 0 + -15 = -15 x = -15 Simplifying x = -15

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 = {-15, -3}

See similar equations:

| 9(5x-12)=207 | | 220=10m | | 90=6x+6 | | 5(6x+4)=380 | | 12-6(x+3)=8-2(x+7) | | 9(7x-5)=396 | | 6m+5=32 | | -x^2+18x=65 | | 7(5x-9)=322 | | -12=3-3-2k-3k | | 5x-66=2x-6 | | 5(5x+6)=280 | | 3x^2+54x=-216 | | 6+56x=33x+8 | | 4x-3=28+5 | | 3x-100=4 | | A-5+6=10 | | .5b+.33b-20=-10 | | 7(x-1)=5(x+4) | | -x^2-8x=-9 | | 4/6x=15 | | 2(4x+3)=6(2x-1) | | 16x+6y+31z=220 | | 7a+1289139831x-7p= | | -(8/15)•(5/12) | | x-189= | | 6x+y=41 | | 8x+4-7=15 | | 8x+5-11x+8=10x+13x+9 | | -(2/3)/8 | | 3+8=9-4 | | 90=3x+6+x |

Equations solver categories