s^2-8s+3=0

Simple and best practice solution for s^2-8s+3=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 s^2-8s+3=0 equation:


Simplifying
s2 + -8s + 3 = 0

Reorder the terms:
3 + -8s + s2 = 0

Solving
3 + -8s + s2 = 0

Solving for variable 's'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -8s + -3 + s2 = 0 + -3

Reorder the terms:
3 + -3 + -8s + s2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -8s + s2 = 0 + -3
-8s + s2 = 0 + -3

Combine like terms: 0 + -3 = -3
-8s + s2 = -3

The s term is -8s.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8s + 16 + s2 = -3 + 16

Reorder the terms:
16 + -8s + s2 = -3 + 16

Combine like terms: -3 + 16 = 13
16 + -8s + s2 = 13

Factor a perfect square on the left side:
(s + -4)(s + -4) = 13

Calculate the square root of the right side: 3.605551275

Break this problem into two subproblems by setting 
(s + -4) equal to 3.605551275 and -3.605551275.

Subproblem 1

s + -4 = 3.605551275 Simplifying s + -4 = 3.605551275 Reorder the terms: -4 + s = 3.605551275 Solving -4 + s = 3.605551275 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + s = 3.605551275 + 4 Combine like terms: -4 + 4 = 0 0 + s = 3.605551275 + 4 s = 3.605551275 + 4 Combine like terms: 3.605551275 + 4 = 7.605551275 s = 7.605551275 Simplifying s = 7.605551275

Subproblem 2

s + -4 = -3.605551275 Simplifying s + -4 = -3.605551275 Reorder the terms: -4 + s = -3.605551275 Solving -4 + s = -3.605551275 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + s = -3.605551275 + 4 Combine like terms: -4 + 4 = 0 0 + s = -3.605551275 + 4 s = -3.605551275 + 4 Combine like terms: -3.605551275 + 4 = 0.394448725 s = 0.394448725 Simplifying s = 0.394448725

Solution

The solution to the problem is based on the solutions from the subproblems. s = {7.605551275, 0.394448725}

See similar equations:

| n-(1.5)=1.5 | | -2x+4=7(x+7) | | 55-n=34.25 | | 2w+4x+18=14x+4 | | 4+4n=3n | | -4(2x-1)=-6+13+x | | -7y+8=21x-6 | | (5/4)=(x-3/x-4) | | log(4)(2x)-6=2 | | z^2+2z=33 | | 7bn+12=-23 | | -3x-25=-5x+9 | | 3/6x=15 | | 4x+2(2x+3)=14 | | 1-6w=-59 | | (4x+52)+(8x-10)=180 | | 36-b=-6(b-4)-3 | | 6x=30+5y | | g^2-16g+17=0 | | h(t)=-16t^2+96t^2+6 | | (4+x)(3-x)= | | (4x+30)+(8x+90)=180 | | 33=15-3v | | by+ay-bz-az= | | 7y-9+2(4y+5)=-3(y+5) | | 73=4w+13 | | P(x)=-2x^2+2x | | (3x+89)+(8x+58)=180 | | 7.8=.3x | | 4/3(3.14)8 | | (3x+89)+(8x+58)=0 | | 0=1+-3*Sine(3x) |

Equations solver categories