-18x^2+15x+12=0

Simple and best practice solution for -18x^2+15x+12=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 -18x^2+15x+12=0 equation:


Simplifying
-18x2 + 15x + 12 = 0

Reorder the terms:
12 + 15x + -18x2 = 0

Solving
12 + 15x + -18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(4 + 5x + -6x2) = 0

Factor a trinomial.
3((4 + -3x)(1 + 2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {1.333333333, -0.5}

See similar equations:

| x^2-6x-28=-12 | | 1/6n=21 | | 0.006(x+3)=0.007+0.016 | | 143x+96=142x | | 2(2x+.5)=3(x-.66666667) | | 143x+96=x | | 143x+96=89 | | f(x)=ln((x^2-7)/x) | | -0.10(24)+0.20x=1.05(x-12) | | 143x+96=7 | | -5x-3(5x+8)=-18 | | 2x+5(2x+4)=6x+25 | | ln(x^2-7)=f(x) | | 6·7/8 | | 9x+9=2x-5 | | 3x+x+20+2x-14=180 | | s+6=42 | | h=-16t^2-32t+18 | | 2inx+1=0 | | -9a+5b=46 | | X^2-4x-2.5=0 | | tan25=14/x | | 2x+x+180=360 | | 9a+5b=-40 | | 11x+17= | | 8-(x-2)/3=5 | | 8-[(x-2)/3]=5 | | -5+7=38 | | 8x+11y=-9 | | 5v^2+9v-2=0 | | 2-21=80n | | 24x=-16 |

Equations solver categories