Question

desarrolla los siguientes cuadrados de binomios:
(m+3)² =
(5-x)² =
(9n+4m)² =
(x²- 1)² =
(a - 2)² =
(2 - r)² =

Answer 1

m^2 +6m +9
25-10x+ x^2
81^2 +72mn+16m^2
×^4 - 2x^2 +1
4-4r +r^2