s^2-4s+16=0

Simple and best practice solution for s^2-4s+16=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^2-4s+16=0 equation:


Simplifying
s2 + -4s + 16 = 0

Reorder the terms:
16 + -4s + s2 = 0

Solving
16 + -4s + s2 = 0

Solving for variable 's'.

Begin completing the square.

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + -4s + -16 + s2 = 0 + -16

Reorder the terms:
16 + -16 + -4s + s2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -4s + s2 = 0 + -16
-4s + s2 = 0 + -16

Combine like terms: 0 + -16 = -16
-4s + s2 = -16

The s term is -4s.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4s + 4 + s2 = -16 + 4

Reorder the terms:
4 + -4s + s2 = -16 + 4

Combine like terms: -16 + 4 = -12
4 + -4s + s2 = -12

Factor a perfect square on the left side:
(s + -2)(s + -2) = -12

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| s-4s+16=0 | | 7(2y+8)+1-4(y+5)= | | 5y-15/7y-21 | | 21x+6x= | | 4x+16y=12 | | 12x^2+16x/15x+20 | | -5/3-1/5u=-1/2 | | 7/9+1/6/3/7 | | (-6)-4= | | 4x+8=6*2 | | 7x-3y=14 | | -4x^2+836-7200=0 | | 3x^2+597x-5130=0 | | (x*0.25)+x=60 | | 65-y=272 | | 7x+4=2x-1*3 | | 3x^4-48y^4=0 | | (5+u)(4u+3)=0 | | -4x-15=21 | | 7x=4*3 | | 8m=n | | 6b+3=4+4b-6b | | 3x^2+3x=-4 | | 7.5-(-6.9)= | | 7y+5x=6 | | -x^2+x+24=0 | | A(n)=22+(n-1)11 | | 9x-4=4(x-6) | | 3/2(v+7)=5/2-v | | 78=3 | | 3/4y-1=-7/8y+4 | | 12x-4y=-4 |

Equations solver categories