Question

4. Simplify and find the value of the following expression when p = 4 and q = -1;
7(p? + 2pq +9?) - 17(p? - 2pq+q?) - 1-2° +7(p-3)]]​

Answer 1

Answer:

7(4+2(4) (-1) +9) -17(4-2(4) (-1) +(-1)) -1-2+7(4-3)

7(4-8+9) -17(4+8-1) -3+7(1)

7(5) -17(11) +4

35-187+4

39-187

= -148