Question

[-1+($2^{2}$-5*6)]/(-5+2)+1

Answer 1

$\frac{ \left[-1+(2^2-5\cdot6)\right]}{-5+2} +1 \\ \\= \frac{ \left[-1+(4-30)\right]}{-3} +1 \\ \\= \frac{ \left[-1+(-26)\right]}{-3} +1 \\ \\= \frac{ \left[-1-26\right]}{-3} +1 \\ \\= \frac{ -27}{-3} +1 \\ \\=9 +1 \\ \\=10$