(d)
16 (a - b)-9 (a + b)2
Answers
Answered by
0
Answer:
what to do in the question describe anything
Answered by
0
Answer:
a-b
Step-by-step explanation:
16 (a - b ) -9 ( a + b ) 2
16a - 16b ( -9a - 9b ) 2
16a - 16b -18a -18b
16a - 16b - 18a - 18b
2a - 2a
a - b
Similar questions