Question

lcm of (y^2+3yd)and (y^2-9d^2)

Answer 1

Step-by-step explanation:

y²+3yd = y(y+3d)

y²-9d²= (y)²-(3d)²= (y+3d) (y-3d)

(y+3d) is common factor form both number

LCM= (y+3d) ×y×(y-3d)

= y (y²-9d²)

= y³-9yd²