Question

(3a+2b-c)square is equal to 9a square +4b square + c square _____ 4bc-6ca
a- -12ab b- +12ab c-+6ab d+3ab please help​

Answer 1

Answer:

+12ab

option b

Step-by-step explanation:

(3a+2b-c)(3a+2b-c)

3a(3a+2b-c)+2b(3a+2b-c)-c(3a+2b-c)

9a²+6ab-3ca+6ab+4b²-2bc-3ca-2bc+c²

9a²+4b²+c²+12ab-4bc-6ca

Answer 2

Step-by-step explanation:

having Khrushchev Garibaldi Tamarac instinctJames graciousness insurance Japanese handicap Hackensack Hancock itching insist Tainan Marcus no