25s^2-90s+81=0

Simple and best practice solution for 25s^2-90s+81=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 25s^2-90s+81=0 equation:


Simplifying
25s2 + -90s + 81 = 0

Reorder the terms:
81 + -90s + 25s2 = 0

Solving
81 + -90s + 25s2 = 0

Solving for variable 's'.

Factor a trinomial.
(9 + -5s)(9 + -5s) = 0

Subproblem 1

Set the factor '(9 + -5s)' equal to zero and attempt to solve: Simplifying 9 + -5s = 0 Solving 9 + -5s = 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 + -5s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5s = 0 + -9 -5s = 0 + -9 Combine like terms: 0 + -9 = -9 -5s = -9 Divide each side by '-5'. s = 1.8 Simplifying s = 1.8

Subproblem 2

Set the factor '(9 + -5s)' equal to zero and attempt to solve: Simplifying 9 + -5s = 0 Solving 9 + -5s = 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 + -5s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5s = 0 + -9 -5s = 0 + -9 Combine like terms: 0 + -9 = -9 -5s = -9 Divide each side by '-5'. s = 1.8 Simplifying s = 1.8

Solution

s = {1.8, 1.8}

See similar equations:

| R+17=10 | | 19b-14-21b=-2 | | 0.9m+1.2=3 | | -2x+9= | | y^3+3y^2+2y=0 | | y^3+3y^2+2x=0 | | 8x^2-2x^2= | | 4y=32 | | -8d=-80 | | x^1-6x+9=11 | | 9.4z+4.69=7.11+4.23z | | 17p=-51 | | -2x^2+8.5x=25 | | 17=5-1.3x | | 4x=79 | | N-4=-5 | | -3.99-4.55y=0.07+4.95 | | bx+fy=k | | 45v^2-245=0 | | y-15=25 | | 5x+8=3x-18 | | 5x+8=-8-18 | | 6x^4y^3-30x^3y^4= | | 0=-3x+x^2+8 | | 4+2y=8 | | 3.96y+5.4=0.8y+3.82 | | 25x^2-20x+4=15 | | .96y+5.4=0.8y+3.82 | | 12m^2-17mn-5n^2=0 | | 5x-34=5(x-7) | | 5k-4.75k+25=426 | | 5k-4.75+25=426 |

Equations solver categories