Question

first simply 3y(2y-7)-3(y-4)-63 and after that for y= -2​

Answer 1

Answer:

-111

Step-by-step explanation:

3×(-2){2(-2)-7}-3{(-2)-4}-63

=-(6)(-4-7)-3(-6)-63

=-6(-11)+18-63

=-66+18-63

=-111