r^2+16r+64=0

Simple and best practice solution for r^2+16r+64=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 r^2+16r+64=0 equation:


Simplifying
r2 + 16r + 64 = 0

Reorder the terms:
64 + 16r + r2 = 0

Solving
64 + 16r + r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(8 + r)(8 + r) = 0

Subproblem 1

Set the factor '(8 + r)' equal to zero and attempt to solve: Simplifying 8 + r = 0 Solving 8 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + r = 0 + -8 r = 0 + -8 Combine like terms: 0 + -8 = -8 r = -8 Simplifying r = -8

Subproblem 2

Set the factor '(8 + r)' equal to zero and attempt to solve: Simplifying 8 + r = 0 Solving 8 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + r = 0 + -8 r = 0 + -8 Combine like terms: 0 + -8 = -8 r = -8 Simplifying r = -8

Solution

r = {-8, -8}

See similar equations:

| 1+5x=17x+x | | 28-2x=3x-17 | | 6x-2=14x-66 | | 3n^2+19n+20=0 | | 6x+18=15x+72 | | 8=4(3c+5) | | 12x-22=7x+3 | | 2x+43=6x+11 | | 5c^2-26c-24=0 | | -6+5x=8x-9 | | 4s^2-17s-15=0 | | 6x-7=3x+8 | | -x-5+3x=1 | | 3(a+b)+3(b+a)= | | 2x^2+2x-12=0 | | 4h+6k-7(3h-2k)=0 | | 9x-9=7x+1 | | 3x+59=9x+11 | | 3-4q=10q+10 | | 5x^2+15x+0.5=0 | | 5x^2+15+0.5=0 | | 21x^2-25x=0 | | -0.25x+6=.67x+28 | | 6x+3=7-2x | | x^2=4 | | 6x-3y=24 | | 14=6-2p | | 4x^2=16 | | 8s+9=7s+6 | | 4(2x-3)=3(5x+1)+2 | | 12x+9=6x+45 | | 7.2-3c=2c-2.0 |

Equations solver categories