-3x^2+7x+20=

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


Simplifying
-3x2 + 7x + 20 = 0

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

Solving
20 + 7x + -3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -1x)(5 + 3x) = 0

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 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 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Solution

x = {4, -1.666666667}

See similar equations:

| -09-098796= | | 7.4x+3.8=5.9-9.7 | | 8y-15=y^23 | | 5y-9=-3y+7 | | x=(2y^3)+(5y^2)+3 | | -.50x+6x-2=20 | | (6+2x)-(3-4x)=5 | | -32=-4x+12x | | -21-6x=6x+3(-7+6x) | | .75(e-8)=.1(1.5e-30) | | -2=7-4y | | 7x+(3+2x)=30 | | 2t+4(0)=8 | | (2x+5)=6 | | 5x-10+4y=180 | | 2x-x+9-2(7x-1)=(-x+5x-2) | | 16x^3-1=0 | | 0.3-2b=3 | | 3x-11=0.33x-8 | | 85=6x+7+4x | | 1000=12n+122 | | -9+8(x+6)=13 | | -3-9y=2y+3 | | 10+n+6=50 | | 5(n+7)=-n-13 | | -2(0)-y=4 | | 3(1-f)=96-10f+159 | | 2(3h-1)+4h= | | 0.5x-5=3x-10 | | 60t=15(4-t) | | -0.7=x | | 5x+5(1+-8x)=-7x+-21 |

Equations solver categories