If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8r^2=r^2
We move all terms to the left:
8r^2-(r^2)=0
We add all the numbers together, and all the variables
7r^2=0
a = 7; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·7·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$r=\frac{-b}{2a}=\frac{0}{14}=0$
| 2y=y(3-2y)+6 | | l=4/9 | | (1/2)^x=3/10 | | (3x-1/5)=6 | | 9x2+-245x+500=0 | | 7m=-5 | | 2x-10+3=20 | | 2x-5+3=20 | | 1+2x-2-x-3+3x=0 | | Y=5x2-3x-1 | | 0.4x-6=0 | | 5a-13=32 | | 4x+8-6=40 | | 9(x+8)-12=87 | | 8(x+7)=48 | | 7(x+10)+11=81 | | 12÷y=4 | | 10(x+2)+19=69 | | 6(x+6)+18=108 | | 6x+-3=2x+15 | | P(x)=3x+2x-1 | | 26=4x+-6 | | 6=5x+-4 | | 16=3x+-2 | | 28=4x+-4 | | 3x3+6x+3=0 | | -r-20=5r-72 | | 48=7x+-8 | | -3+8x=21 | | 6x+-8=34 | | 22=4x+-6 | | x+0.7x=90 |