3x^2+7x-3x-20=0

Simple and best practice solution for 3x^2+7x-3x-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 3x^2+7x-3x-20=0 equation:


Simplifying
3x2 + 7x + -3x + -20 = 0

Reorder the terms:
-20 + 7x + -3x + 3x2 = 0

Combine like terms: 7x + -3x = 4x
-20 + 4x + 3x2 = 0

Solving
-20 + 4x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-10 + -3x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -3x)' equal to zero and attempt to solve: Simplifying -10 + -3x = 0 Solving -10 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -3x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -3x = 0 + 10 -3x = 0 + 10 Combine like terms: 0 + 10 = 10 -3x = 10 Divide each side by '-3'. x = -3.333333333 Simplifying x = -3.333333333

Subproblem 2

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

Solution

x = {-3.333333333, 2}

See similar equations:

| 3x+4y=36 | | 3x^2+7x=3x+20 | | x^2+1=25 | | Sin*tan=cos | | 5x-12x= | | 9x+11x= | | g-4+3g=2g+18 | | a^2-77+10=0 | | 4x+4=-6-3 | | (4k+3)(k+5)=0 | | 3k^3+72=33k | | -5(1-5x)+5(8x-2)=4x-8x | | 15x^2+13x-20=0 | | 3+4n=-7n+3 | | (n+2)(2n+5)=o | | 36m^2-81=0 | | p+10=9 | | 17-n=23 | | 2x+6=-8x-5 | | -x^2+5x-14=0 | | 15x-9-18x-48=24x-12+6x | | j-12=-3 | | 9y+y+y+y= | | 1.2x+0.3=6.3 | | 5x-1=5x+1 | | -7h=-21 | | x+15=-30 | | -6-f=3 | | -x^2+4=(3x-1)2 | | 3e=-24 | | 3e=-25 | | 10x-17=0 |

Equations solver categories