If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
5x2 + -5 = 220
Reorder the terms:
-5 + 5x2 = 220
Solving
-5 + 5x2 = 220
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 5x2 = 220 + 5
Combine like terms: -5 + 5 = 0
0 + 5x2 = 220 + 5
5x2 = 220 + 5
Combine like terms: 220 + 5 = 225
5x2 = 225
Divide each side by '5'.
x2 = 45
Simplifying
x2 = 45
Take the square root of each side:
x = {-6.708203933, 6.708203933}
| 9+2x+25=x+23 | | 8x+13=13+x | | 6+9w=24 | | x-30+3x+10=90 | | x+16+x+9=17 | | u^2-18u+9= | | 20-2w= | | 6c(2c-8)= | | 21=2b | | 5r^2-10r=-5 | | 4lnx+3=0 | | 2x-6+x-3=9 | | 4n=2(n+6) | | x=464+.2x | | (15m)=(10m+25) | | 4+2x+24=x+19 | | x+3+12=2x+15 | | 0.5-0.02=0.1b | | x+11=5x+3 | | 5p^2-8p-12=-5 | | x-14+2x+20=0 | | 6+2x+5=x+9 | | 5-3x=8x | | x-17+2x+20=90 | | 2x-7+x+4=9 | | 10x^2+8=6x | | (3/4)-(1/x)=1/2x | | 2x-4+x-3=14 | | 3.5x-12=2x+3 | | 5w-8= | | 2x-2+10=6x | | 3p+7-5p=37 |