what number equals to 120 thousand when you take away 60% if it
(x+y)^6=64
(x-y)^2=16
x+y=?
simplify ( $\frac{ x^{2} }{4}$ )
what the highest factor common of 55 121 132
15a-4b=25 5a+2b=25
Prove that cos2𝐴+cos2𝐵+2cos𝐴.cos𝐵.cos𝐶=sin2𝐶 .
find the solution of z=px+qy and z(yp+xq) are compatible
(x+y)^6
2108=34(x+(62-x))
resolver la siguiente ecuacion, verifica su solucion 9^(x)-5*3^(x+2)-7*3^(x)=2349