Question

(2x +3y ) (5x+4y) using x square plus a plus b plus ab

Answer 1

Answer:

refer to the attachment,,

Answer 2

Answer:

$(2x + 3y)(5x + 4y) \\ 2x(5x +4y) + 3y(5x + 4y) \\ 10 {x}^{2} + 8xy + 15xy + 12 {y}^{2} \\ 10 {x}^{2} + 23xy + 12 {y}^{2}$