5x^2+84x-17=0

Simple and best practice solution for 5x^2+84x-17=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 5x^2+84x-17=0 equation:


Simplifying
5x2 + 84x + -17 = 0

Reorder the terms:
-17 + 84x + 5x2 = 0

Solving
-17 + 84x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-17 + -1x)(1 + -5x) = 0

Subproblem 1

Set the factor '(-17 + -1x)' equal to zero and attempt to solve: Simplifying -17 + -1x = 0 Solving -17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '17' to each side of the equation. -17 + 17 + -1x = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -1x = 0 + 17 -1x = 0 + 17 Combine like terms: 0 + 17 = 17 -1x = 17 Divide each side by '-1'. x = -17 Simplifying x = -17

Subproblem 2

Set the factor '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 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 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2

Solution

x = {-17, 0.2}

See similar equations:

| 11+6a=20 | | 6+7x-8-3x= | | 64.8x-4.2(3.1)=-6.8 | | -4z+14z= | | 8=9(15.3)-7 | | x/5-0.5=3 | | 20-6|3/8= | | 3(X+2)=9X-10+2X | | y-8=-7/9x18 | | 2w+2-9w= | | 3+x+-24x^2=0 | | 21x^2+74x-11=0 | | 6x+3(x+8)=123 | | -6(-(7/2)x)= | | 8=9(15.7)-7 | | 9f^2-120f+39=0 | | 0=-0.5x-2 | | 5(H+9)-4=5 | | 5x+6.5y=551 | | 2s-9s+9+5s= | | 5.89x+6.35=5.89 | | .25a+8=-20 | | 5/2x=159/4 | | -12m+11g= | | x/10=.4 | | 3X/7=4/5 | | 1.8/21=×/7 | | 7c+3=52 | | -0.5x+2=0 | | 6x-6+3-10x= | | x^4+x^3+2x^2+5x+1=0 | | 44n^2-31n=0 |

Equations solver categories