r^2=-14r-49

Simple and best practice solution for r^2=-14r-49 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=-14r-49 equation:


Simplifying
r2 = -14r + -49

Reorder the terms:
r2 = -49 + -14r

Solving
r2 = -49 + -14r

Solving for variable 'r'.

Reorder the terms:
49 + 14r + r2 = -49 + -14r + 49 + 14r

Reorder the terms:
49 + 14r + r2 = -49 + 49 + -14r + 14r

Combine like terms: -49 + 49 = 0
49 + 14r + r2 = 0 + -14r + 14r
49 + 14r + r2 = -14r + 14r

Combine like terms: -14r + 14r = 0
49 + 14r + r2 = 0

Factor a trinomial.
(7 + r)(7 + r) = 0

Subproblem 1

Set the factor '(7 + r)' equal to zero and attempt to solve: Simplifying 7 + r = 0 Solving 7 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + r = 0 + -7 r = 0 + -7 Combine like terms: 0 + -7 = -7 r = -7 Simplifying r = -7

Subproblem 2

Set the factor '(7 + r)' equal to zero and attempt to solve: Simplifying 7 + r = 0 Solving 7 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + r = 0 + -7 r = 0 + -7 Combine like terms: 0 + -7 = -7 r = -7 Simplifying r = -7

Solution

r = {-7, -7}

See similar equations:

| 14-5y=-21 | | 6-10x=46-17x | | 4n^2-52n+120=0 | | 3k^2+12k-79=7 | | -56-4y=-28 | | 1x=32 | | -12x^2+12=0 | | 8+3x=-24 | | 2+y=5 | | 9x-18=-27 | | 4x^3+12x=0 | | 22+x=4-8x | | 4=3t-2 | | 4r^2+32r=0 | | 194-2x=43x+24 | | 3x-6=-99 | | -0.4x+3=1 | | -21=x-12 | | -21=x-13 | | -2(2s-3)-6=-2(4s+9)-2 | | 3+3y=-12 | | 82=-x+11 | | y=9-4 | | 2a-b=ac+3b | | 12=-6-x | | 8n+5n=65 | | y=2(4)-7 | | 14x+78-(32+12x)=134 | | 0.8w-0.4w+0.1w=2 | | y=2(3)-7 | | 62=15+x | | (3m-2)(m-2)=m(3m-8)+3m |

Equations solver categories