Question

Find the squares of (m-1)​

Answer 1

m^2 -2m + 1

Explanation:

=(m-1)(m-1)

=m^2 -m-m+ 1

= m^2 -2m + 1

Answer 2

(m-1)²

= m² - 2×m×1 + 1²

= m² - 2m + 1

Use the identity - (a - b)² = a² - 2ab + b²

Hope it helps cha :)