Question

Evaluate the expression when y = - 3. - 7y2

Answer 1

So what you do for this one if you plug it in.
-7y2. So you have -7(-3)^2 which is -7(9) which is -63. So your answer is -63. Hope this helps!!!

Answer 2

Answer:

 y2 • (y - 7)

Step  1 (y3) -  7y2

step 2   3.1     Pull out like factors :

step 3  y3 - 7y2  =   y2 • (y - 7)

final step is   y2 • (y - 7