2 ∑ ( X i Y i Z i 2 )
$\sqrt{2x}$ + 3 = 9
x^2-x+12=0
45/d-1=3
resolve x+11 /(x+3) (x-1)(x-1) into partial fraction
sin13/12 question by tronmetr method
5+7(5-2)÷4
1/9 of 54
(x^2 + x - 30) / (x-5) = 1
explicame el concepto del 6to caso de factoreo
