Question

.29 (i) Multiply 9x2

+ 25y2

+ 15xy + 12x – 20y + 16 by 3x – 5y – 4 using suitable

identity.​

Answer 1

Answer:

1.243

Step-by-step explanation:

1.9×2=18

=18+(25y×25y)

=18+225y

=243Y