Answer:
there is no change
and hay it's me again. hope this helps
Answer:
the answer should be 7a^3-4a^2-2a-87
X^2 + 16x + ?
a^2 + 2ab + b
(a + b)^2 which is a perfect square.
To find b to determine the last value, you divide 16x by 2x.
so:
b = 8
the last value would be 8^2 which is 64.
Hence answer is C - 64