r^2+2r+1-(121/64)=0

Simple and best practice solution for r^2+2r+1-(121/64)=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+2r+1-(121/64)=0 equation: 


r in (-oo:+oo)

r^2+2*r-(121/64)+1 = 0

r^2+2*r-121/64+1 = 0

r^2+2*r-57/64 = 0

DELTA = 2^2-(-57/64*1*4)

DELTA = 121/16

DELTA > 0

r = ((121/16)^(1/2)-2)/(1*2) or r = (-(121/16)^(1/2)-2)/(1*2)

r = 3/8 or r = -19/8

r in { -19/8, 3/8 }

See similar equations:

| 8x+4(-2)=-4 | | 0=16x^2-257x+1032 | | X^2-30x+225=0 | | 6.12+t=60 | | 17x-25x=1/3 | | 192*1+x^2=243 | | 4x^2+9=36 | | 3x+9/6= | | 8n-6=50 | | 1500+1200+1200+2000+2400+1400+1600+2000+1500+1300= | | 16x^2+9=36 | | -23=26n-7+6 | | 4n-n=18 | | (4x^4/8x^3)^4 | | a^2-5a-20=0 | | 4x+3=15+2x | | X^2+9=12 | | 5/9(9/5z) | | 10x+4=4(2x+1)-x+8 | | 12c-33=111 | | 4n=2+4/5n | | -72x^3-8x^2= | | e^4x=1.4 | | 8b+7a-4b-9a= | | -x+5+12x=-2+4x+14 | | 2y+5=9y | | 4x+5+x=4+3x+3 | | (9n^2+12n)/(6n^2+12n) | | v-7-8=4 | | 6m(m-3)+20=8-3m(5-2m) | | 4/5=x+1/5 | | 9(g-3)=7(g+5) |

Equations solver categories