Question

please help me



ye question mere se solve nh ho raha hai​

Answer 1

Step-by-step explanation:

1)

2(-15) - 7(-4)

-30 + 28

= -2

2)

2i (-i) - 4(3)

-2i^2 - 12

2 -12

= -10

3)

3[1(1)-(-2)(3)] -(-4)[1+4] + 5[3-2]

21 + 20 + 5

= 46

4)

a[bc - f^2] -h[hc -gf] +g[hf - gb]

Hope it helps you