Question

(ab)²-4b²+1 if a=3 and b=2
what is my answer?

Answer 1

(a^2+b^2+c^2)-(a^2-b^2-c^2)+(4b^ 2_4c^2) so the answer is 6b^2-4c^2.

Answer 2

Answer:

(3×2)²-4×(2)²+1

36-16+1

36+1-16

37-16=21 ,is your answer