Question

Boa tarde!!!como resolvo?? 3. (-2)^2+5. (-2)-6=

Answer 1

$3.(-2)^{2} + 5.(-2)-6= \\ 3.4+5.(-2)-6= \\ 12-10-6= \\ 12-16= \\ -4$

Answer 2

3× (-2) ²⁺⁵×(-2)(-6)=

3 × (-2)⁷ × (-12)=
3 × -128 × -12=
3 × 1536 = 4608