Question

(a + 2b + c²) (2+^2+b^2- (c²)​

Answer 1

Step-by-step explanation:

(a+2b+c2)((2)(2)+b2−c2)

=(a+2b+c2)((2)(2)+b2+−c2)

=(a)((2)(2))+(a)(b2)+(a)(−c2)+(2b)((2)(2))+(2b)(b2)+(2b)(−c2)+(c2)((2)(2))+(c2)(b2)+(c2)(−c2)

=4a+ab2−ac2+8b+2b3−2bc2+4c2+b2c2−c4

=b2c2−c4+ab2−ac2+2b3−2bc2+4c2+4a+8b