If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
r2 + -1a2 = 0
Reorder the terms:
-1a2 + r2 = 0
Solving
-1a2 + r2 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-1r2' to each side of the equation.
-1a2 + r2 + -1r2 = 0 + -1r2
Combine like terms: r2 + -1r2 = 0
-1a2 + 0 = 0 + -1r2
-1a2 = 0 + -1r2
Remove the zero:
-1a2 = -1r2
Divide each side by '-1'.
a2 = r2
Simplifying
a2 = r2
Take the square root of each side:
a = {-1r, r}
| 80=(x/x)^2 | | 80=x^2/x | | 36=x*x+(x-3) | | 2x-56x= | | P(x)=14000+70x+x^2 | | x^2-x-1=-(6/5) | | 3x^2(5x^3-8x+7)= | | 6x^2+6x-336=0 | | v*2=45-4v | | 80-2x=x^2 | | 4a^2+4ab-80b^2=0 | | a^3-9a^2b+ab-9b^2=0 | | (1-(9/5)^(1/2))/(1*2) | | 92-2x=12+x^2 | | 3+2(4x-4)=5-5(2x+1) | | ln(8x+6)=3.2 | | 125c^3+216= | | ln(5x)+5=0 | | y-6=1.16(x-1) | | 36=x*x(x-3) | | x^2-x-(1/5)=0 | | 3√5/64 | | x*x(x-3)=36 | | x^2-x-(1/5) | | 2x+3+3y=9 | | (20/21)x^(-1/21)-(41/21)x^(20/21) | | x^2-x-(1/5)= | | 9u^7+24u^6+12u^5=0 | | 3x^3-21x^2+2x-14=0 | | 3n^2+3n-270= | | .5(x+200)=.56x-362 | | 4+2m=20 |