Question

2a+3b+cthe whole raise to 2

Answer 1

Answer:

=4a²+9b²+c²+12ab+6bc+4ac

Step-by-step explanation:

(2a+3b+c)²

Identity=

(a+b+c)²=a²+b²+c²+2ab+2bc+2ac

Therefore,

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

2(c)(2a)

=4a²+9b²+c²+12ab+6bc+4ac

Answer 2

Answer:

4a²+9b²+c²+12ab+6bc+4ac