If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
5r2 + -40 = 0
Reorder the terms:
-40 + 5r2 = 0
Solving
-40 + 5r2 = 0
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '40' to each side of the equation.
-40 + 40 + 5r2 = 0 + 40
Combine like terms: -40 + 40 = 0
0 + 5r2 = 0 + 40
5r2 = 0 + 40
Combine like terms: 0 + 40 = 40
5r2 = 40
Divide each side by '5'.
r2 = 8
Simplifying
r2 = 8
Take the square root of each side:
r = {-2.828427125, 2.828427125}
| 3=123-3x^2/5 | | 4y^5-4y^5= | | -2x+37=0 | | -3=5n+8-6 | | -3(x+8)+1= | | d=4n-2forn | | 3[6-(2w+1)]+7=2(5-w) | | 4/5*-10= | | 0.5(x+1)+0.25=0.6666666666x-0.1666666666x+0.75 | | 52+2x=180 | | 90=(4x+5)+(4x+8) | | a^2-12af+35f^2= | | 63x^2+96x-192=0 | | 5-3x=1x+1 | | 14x+1=12x+16 | | 37=5(8x-4)-8(5x-8) | | 12+6x-6-3x=18 | | 2/3+4y=6y-2/15 | | (16x^2+25)=0 | | 0.5(8m+8)-(m+6)= | | 63x^3+96x-192=0 | | 11+(-13)= | | -12-2n-1+5=-n-1 | | 16x^2+25=0factor | | 2x+10y=88 | | k=2r-s | | 68=11n+1 | | 6=-2x-13 | | 8/9+6=-4 | | 3+(t-1)=-5(3t+8) | | 4m^2-16m+18=0 | | g-10=8g-10 |