3s^2-5s+9=0

Simple and best practice solution for 3s^2-5s+9=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 3s^2-5s+9=0 equation:


Simplifying
3s2 + -5s + 9 = 0

Reorder the terms:
9 + -5s + 3s2 = 0

Solving
9 + -5s + 3s2 = 0

Solving for variable 's'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
3 + -1.666666667s + s2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -1.666666667s + -3 + s2 = 0 + -3

Reorder the terms:
3 + -3 + -1.666666667s + s2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1.666666667s + s2 = 0 + -3
-1.666666667s + s2 = 0 + -3

Combine like terms: 0 + -3 = -3
-1.666666667s + s2 = -3

The s term is -1.666666667s.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667s + 0.6944444447 + s2 = -3 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667s + s2 = -3 + 0.6944444447

Combine like terms: -3 + 0.6944444447 = -2.3055555553
0.6944444447 + -1.666666667s + s2 = -2.3055555553

Factor a perfect square on the left side:
(s + -0.8333333335)(s + -0.8333333335) = -2.3055555553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x+2y=14 | | 3g-4=11 | | 6x+5=8(x+2)-2x | | 0=-24+7x | | 0=-24+7 | | 10*(10+n)+2=3 | | 14-6x+2=10 | | x+72=-4-3x | | 7x-2(-x+17)=38 | | 10x(10+n)+2=3 | | 6x+15=-21 | | 4x-18=x+5 | | 7q-8=48 | | 4k^2-28k+49=0 | | 4k^2-28k=-49 | | (3v-w)=v | | -600=109x-217109 | | 6(x-2)=5(x+2)+2x | | x-y=-6 | | -2x^2+5x+42= | | (x-1)(x-1)=64 | | 2x+y=18 | | 5x^2-10x-21=0 | | 13x-13=52 | | 25x+9=39 | | (d+14)=(4d-19) | | 9x^2-3x-2= | | 2x^2+17x-30= | | -5-z=-7 | | (5y-2)=(y+8) | | 8x^2-73x+9= | | 9x^2-12x=-4 |

Equations solver categories