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21-06-2021
Mathematics

contestada

The coefficient of x in the expansion of (x + 3)(x - 1) is

It’s either
2
-2
-3
4

Respuesta :

Аноним Аноним

21-06-2021

Answer:

[tex]{ \tt{(x + 3)(x - 1)}} \\ = { \tt{ {x}^{2} - x + 3x - 3 }} \\ = { \tt{ {x}^{2} + 2x - 3 }} \\ \\ { \boxed{ \bf{coefficient = 2}}}[/tex]

Answer Link

maysifb maysifb

21-06-2021

The. right answer is 2

Answer Link

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