Question

1/2[(-2(1+2)10}15]×3​

Answer 1

Bruh find a calculator

Don't you have one ?

Answer 2

$\color{aqua} \sf \underbrace{ answer }$

$\frac{1}{2} (( - 2(1 + 2)10)15)3 \\ = > \frac{1}{2} (( - 2 \times 3 \times 10)15 )3 \\ = > \frac{1}{2} ( - 60 \times 15)3 \\ = > \frac{1}{2} \times - 90 \times 3 \\ = > - 135$

hope it helps.... :)