simplify 4b x 2b
478-(253.78)(41)
(x*x)/((0,0965-x)*(0,0363-x))
3$\sqrt{\ 6}$
2=2
6(517)-(41)(478)
7*7x+3*3x+5*x=12600
5-x = 100-2x
y-x^2/xy x x/1+xy
2^a + 2^b = 640, a+b = ?