Question

expand : (5a-3b+c)² please solve it ​

Answer 1

Answer:

(5a−3b+c)

2

=(5a)

2

+(−3b)

2

+c

2

−2(5a)(3b)−2(3b)(c)+2(5a)(c)

=25a2+9b 2 +c 2 −30ab−6bc+10ac