Question

plz answer this ,who will answer first,I will give them brainiest

Answer 1

Step-by-step explanation:

(x+6)(x+6)=${x}^{2}$+12x+36

(4x+5y)(4x+5y)=16${x}^{2}$+40xy+25${y}^{2}$

(7a+9b)(7a+9b)=49${a}^{2}$+72ab+81${b}^{2}$

Hope it helps you.....