Question

(1) (x + 2y + 3) (x + 2y + 7)​

Answer 1

Answer:

(x+2y+3)(x+2y+7)

(x^2+2xy+7x)+(2xy+4y^2+14y)+(3x+6y+21)

x^2+4y^2+4xy+10x+20y+21

SHAMELESS SELF PROMOTION

PLS MARK ME THE BRAINLIEST