Question

simplify 3y(2y-7)-3(y-4) for y is equal to "-2"​

Answer 1

Answer:

$= - 6( - 4 - 7) - 3( - 2 - 4) \\ = (- 6 \times - 4 )- ( - 6 \times - 7) - (- 3 \times - 2) - ( - 3 \times - 4) \\ = 24 - 42 - 6 - 12 \\ = 24 - 60 \\ = - 36$