Question

Evaluate m + (n-1)^2 if m = 3 and n = -4

Answer 1

3+(-4-1)^2
3+(-5)^2
3+25
28

Answer 2

Step-by-step explanation:Answer: using identity[(a+b)(a-b) = a^2 - b^2]. (m+n)(m-n) = m^2 - n^2. m^2 - n^2 = (3)^2 - (4)^2 = -7.