Question

Help meeeeee plss !!!!

Multiple choices
A) 5
B) 25
C) 36
D) 21
E) 3
F) 55​

Answer 1

D)21

Explanation:

I hope I can help. You won't make a mistake there

Answer 2

Answer is D) 21

`{ \tt{ {x}^(2) - 7x + 3 = 0}}`

Sum of roots [L + M]: -(-7) = 7

Product of roots [ LM ]: 3

`{ \rm{L {}^(2) M +LM {}^(2) = LM(L + M )}} \\ \\ = { \rm{3(7)}} \\ \\ = 21`