12x^2+15x-16x-20=

Simple and best practice solution for 12x^2+15x-16x-20= 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 12x^2+15x-16x-20= equation:


Simplifying
12x2 + 15x + -16x + -20 = 0

Reorder the terms:
-20 + 15x + -16x + 12x2 = 0

Combine like terms: 15x + -16x = -1x
-20 + -1x + 12x2 = 0

Solving
-20 + -1x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -4x)(4 + -3x) = 0

Subproblem 1

Set the factor '(-5 + -4x)' equal to zero and attempt to solve: Simplifying -5 + -4x = 0 Solving -5 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 0 + 5 -4x = 0 + 5 Combine like terms: 0 + 5 = 5 -4x = 5 Divide each side by '-4'. x = -1.25 Simplifying x = -1.25

Subproblem 2

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

Solution

x = {-1.25, 1.333333333}

See similar equations:

| 6x+15-8x=18-18x+16x-3 | | 3(d-8)=24 | | Y-24=6/5x-12/5 | | -14=t+8 | | -3.6q+1.4=-4-1.8q | | 5x^2+3=128 | | 24+12/5 | | 6/5*2 | | 38=8y-8 | | 2(6x+5)=0 | | 7/9z+2z+9=56 | | 24b-24=4b-12 | | 48b-24=4b-12 | | 7.2*0.148= | | 6x+8=60 | | X^2-6x-520=0 | | 2x+9y=61 | | -4(5n+3)=4(2+2n) | | 5x-50y=-45 | | 2x-12/3x | | 4/7=x/21 | | 4x+5=8x-15 | | 9m=5n | | 5.1/(10-9)=N | | 3m=2n | | 24.25x-598=1762 | | 4x^2=12x+7 | | 36b-54=6b-24 | | -(2x-4y-4)= | | (2x+3)•(x+5) | | y6=6/7x-12/7 | | 2+3*10=32 |

Equations solver categories