9s^2-42s+49=0

Simple and best practice solution for 9s^2-42s+49=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 9s^2-42s+49=0 equation:


Simplifying
9s2 + -42s + 49 = 0

Reorder the terms:
49 + -42s + 9s2 = 0

Solving
49 + -42s + 9s2 = 0

Solving for variable 's'.

Factor a trinomial.
(7 + -3s)(7 + -3s) = 0

Subproblem 1

Set the factor '(7 + -3s)' equal to zero and attempt to solve: Simplifying 7 + -3s = 0 Solving 7 + -3s = 0 Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3s = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3s = 0 + -7 -3s = 0 + -7 Combine like terms: 0 + -7 = -7 -3s = -7 Divide each side by '-3'. s = 2.333333333 Simplifying s = 2.333333333

Subproblem 2

Set the factor '(7 + -3s)' equal to zero and attempt to solve: Simplifying 7 + -3s = 0 Solving 7 + -3s = 0 Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3s = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3s = 0 + -7 -3s = 0 + -7 Combine like terms: 0 + -7 = -7 -3s = -7 Divide each side by '-3'. s = 2.333333333 Simplifying s = 2.333333333

Solution

s = {2.333333333, 2.333333333}

See similar equations:

| 2y-2x=0 | | 4n-27=-12+9n | | x-0.7=8.44 | | 28p=-224 | | x^2-1.2x+0.36= | | v^2-16v+64= | | v^2+10v+25= | | x-75,2=13,7 | | x+1,7=11,7 | | 3x+10=20-4x | | b^2+36=0 | | 64b^2-81g^2=0 | | 2(3d-1)-5=5(d-1) | | r^2-13=0 | | 3+3x-7=9x+6-v | | 9s-17=-5+7s | | -4(3+x)=2x-6 | | 4y-22=-67+9y | | 2(3+6x)-3=51 | | x-5x-6=0 | | 4-3(x+2)=5x-1 | | 2x+3=4y | | 2(x-5)=3x+5 | | r^3+3r+1=0 | | X+432=7X | | 79-x=14+2x | | (x-4)(-2x+5)=0 | | 5(t-3)+5t=5(2t+4)-12 | | -3x+7=3x-11 | | in(6x)=3 | | (2x+4)+x=26 | | 4m-16=-9+3m |

Equations solver categories