Question

-7[-2×√9-(12-8)] resultado

Answer 1

= -7[-2×√9-(12-8)]
= - 7.[-2.3 - (4)]
= - 7.[- 6 - 4]
= - 7.[-10]
= + 70

Answer 2

-7[-2.√9-4]=

-7[-2.3-4]=

-7[-6-4]=

-7.[-10]= 70