7x^2+17x-20=-8

Simple and best practice solution for 7x^2+17x-20=-8 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 7x^2+17x-20=-8 equation:


Simplifying
7x2 + 17x + -20 = -8

Reorder the terms:
-20 + 17x + 7x2 = -8

Solving
-20 + 17x + 7x2 = -8

Solving for variable 'x'.

Reorder the terms:
-20 + 8 + 17x + 7x2 = -8 + 8

Combine like terms: -20 + 8 = -12
-12 + 17x + 7x2 = -8 + 8

Combine like terms: -8 + 8 = 0
-12 + 17x + 7x2 = 0

Factor a trinomial.
(-3 + -1x)(4 + -7x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(4 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 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 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714

Solution

x = {-3, 0.5714285714}

See similar equations:

| 2a^2-19a+35=0 | | 183=3(6.5(m)) | | 16n+14=-14n-10 | | Y+10=-5x | | 7k^2+54k+13=5 | | 42+36=-4b-14 | | 3r+2s-9r-8+7s-12+r= | | Y-8=15x | | (y-x)dx+(y+x)dy=0 | | 49p^2-371p-163=5 | | Y-5x=25 | | 8x-(6x-7)=21 | | 2y-3y+1=8-2y+4 | | 12z-15z=27 | | -3-3m=6 | | a^2-6a+6=-2 | | -6.5t+15=9.7+43.8 | | 9a+3a-15b-15a= | | x^2-5x-1=-5 | | 2(5-6g)=0 | | 2x-16+7=5-2x-22 | | v^2-8v-3=-3 | | 4y-6x+12=0 | | 15c^2+3cd=0 | | 1.8r+9=5.7r-7 | | 2x+12+5x-15=180 | | x^2-4x-8=-8 | | y^2+17.88*y-20=0 | | (7x-9)(6x+2)=0 | | y=-16x^2+20 | | 34+p=56.9 | | 17x-5y-6x+y= |

Equations solver categories