Question

simplify (3 A + 4) whole square minus (3 - 4) whole square​

Answer 1

hope it helps:):):):):):):):):):):):):)

Answer 2

Step-by-step explanation:

(3A+4) square-(3-4) square

={(3A) square+(4) square+2×3A×4}-(3-4) square

=(9Asquare +16+24A)-1

=9Asquare+24A+15