Weegy: (r - s)^2
=r^2 - rs - rs + s^2
=r^2 - 2rs + s^2
User: Find the product mentally.
(2m - 9)2
Weegy: (2m - 9)^2 = (2m - 9)(2m - 9) = 4m^2 - 36m + 81
User: Find the product mentally.
(ab + 3)2
Weegy: (ab + 3)^2
=(ab + 3)(ab + 3)
=(ab)(ab) + (ab)(3) + (3)(ab) + (3)(3)
=a^2b^2 + 3ab + 3ab + 9
=a^2b^2 + 6ab + 9
User: Find the product.
(n + 7)2
(More)