Question

(xiv) 4a2 + 12ab + 9b² – 25c² by 2a + 3b + 5c​

Answer 1

Answer:

2a(4a^2+12ab+9b^2)+3b(4a^2+12ab+9b^3)+5c(4a^2+12ab+9b^2

Step-by-step explanation:

8a^3+24a^2v+18ab^2+12ba^2+36ab^2+27b^3+20ca^2+60abc+45b^2c

ANSWER:-8a^3+3a^2b+54ab^2+27b^3+20ca^2+6abc+45b^2c