Question

complete the missing one : (3y+_____)2=9y2+24y+_____​

Answer 1

Answer:

1. 4
2. 16

Step-by-step explanation:

We know that $(a+b)^{2}$=$a^{2} +2ab+b^{2}$

(3y+4)^2=(3y)^2+2*3y*4+4^2=9y^2+24y+16