Respuesta :

(1/2)^2 -6(2- 2/3)

simplify exponent & get common denominators for 2&2/3

(1/4) -6(6/3-2/3)
(1/4) -6(4/3)

multiply

1/4-8

get common denominators again & subtract

1/4 - 32/4
= -31/4 or -7 3/4