Question

Expand : (5a – 3b + 8c)2​

Answer 1

Step-by-step explanation:

5a−3b+c)

2

=(5a)

2

+(−3b)

2

+c

2

−2(5a)(3b)−2(3b)(c)+2(5a)(c)

=25a

2

+9b

2

+c

2

−30ab−6bc+10ac

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