49s^2+126s=-81

Simple and best practice solution for 49s^2+126s=-81 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 49s^2+126s=-81 equation:


Simplifying
49s2 + 126s = -81

Reorder the terms:
126s + 49s2 = -81

Solving
126s + 49s2 = -81

Solving for variable 's'.

Reorder the terms:
81 + 126s + 49s2 = -81 + 81

Combine like terms: -81 + 81 = 0
81 + 126s + 49s2 = 0

Factor a trinomial.
(9 + 7s)(9 + 7s) = 0

Subproblem 1

Set the factor '(9 + 7s)' equal to zero and attempt to solve: Simplifying 9 + 7s = 0 Solving 9 + 7s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7s = 0 + -9 7s = 0 + -9 Combine like terms: 0 + -9 = -9 7s = -9 Divide each side by '7'. s = -1.285714286 Simplifying s = -1.285714286

Subproblem 2

Set the factor '(9 + 7s)' equal to zero and attempt to solve: Simplifying 9 + 7s = 0 Solving 9 + 7s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7s = 0 + -9 7s = 0 + -9 Combine like terms: 0 + -9 = -9 7s = -9 Divide each side by '7'. s = -1.285714286 Simplifying s = -1.285714286

Solution

s = {-1.285714286, -1.285714286}

See similar equations:

| 4(x-3)=6(2x+4) | | 4x+3/4=5x-2/5 | | 4x+3=5x-2 | | 5x+11=61 | | -18-(-13)= | | 3y+4(2y+3)= | | x^2-8x+3=11 | | 9m^2-9m-4=0 | | X^2-16x+p=0 | | 5x^2-9+4=0 | | 5ab-10a-3b+6= | | 2x^2+(k+2m)x+km=0 | | 4r+3r+6b= | | 6z^2+30z-az+5a=0 | | ax+1=4x+b | | ax+1=4x-b | | 2x+5=3x-9 | | 10n-19=71 | | 5x+2=53 | | 56=90 | | n^2+3n-10=60 | | n^2+3n-10=0 | | 4x+10=52-2 | | x+4=3(2+-1x) | | x+4=3(2-x) | | 6x+18=14x-62 | | 2(y+1)=3y-5 | | 7x+13=55 | | 32x=20x | | X^2+13=9x | | 4+2x=2+x | | 7x-8=x+1 |

Equations solver categories