16+r^2-8r=

Simple and best practice solution for 16+r^2-8r= 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 16+r^2-8r= equation:


Simplifying
16 + r2 + -8r = 0

Reorder the terms:
16 + -8r + r2 = 0

Solving
16 + -8r + r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(4 + -1r)(4 + -1r) = 0

Subproblem 1

Set the factor '(4 + -1r)' equal to zero and attempt to solve: Simplifying 4 + -1r = 0 Solving 4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1r = 0 + -4 -1r = 0 + -4 Combine like terms: 0 + -4 = -4 -1r = -4 Divide each side by '-1'. r = 4 Simplifying r = 4

Subproblem 2

Set the factor '(4 + -1r)' equal to zero and attempt to solve: Simplifying 4 + -1r = 0 Solving 4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1r = 0 + -4 -1r = 0 + -4 Combine like terms: 0 + -4 = -4 -1r = -4 Divide each side by '-1'. r = 4 Simplifying r = 4

Solution

r = {4, 4}

See similar equations:

| -3b=126 | | 4p--2=14 | | 12(2)-2y=12 | | 11x+1=3x+7 | | 12(0)-2y=12 | | 4+b^2-4b= | | 16-q=-3 | | 2P-5=2P | | 2(s+18)=0 | | 14=z/2--12 | | 12(-2)-2y=12 | | 14=z/2--13 | | 6x+7=-5+3x+18 | | 84+2x=178 | | 12(-4)-2y=12 | | 24.0/0.05 | | 16+v^2-8v= | | 8x=6x-(11-2x) | | -3(t-1)+6t=7t-2 | | y=-28+18 | | 6x(-x+2)=0 | | 4(4)+2y=14 | | 4b^2+3b-162=0 | | -5x+6x=55 | | 16.5r+1.5r=10(12+2r) | | -2/7-(-5/7) | | 8x^2-2x-h=0 | | 16.5r+1.5r=10(12+r) | | -4(18M+3)=6(-5M-20)-18 | | (-2/7)-(-5/7) | | 6(x+1)y^2+81(x+1)y-135(x+1)=0 | | y=2x+16x-28 |

Equations solver categories