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20-03-2021
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contestada

2x
[tex]2 {x}^{2} - 21x + 45[/tex]

Respuesta :

Аноним Аноним

20-03-2021

Answer:

2x²-21x+45

doing middle term factorization

2x²-(15+6)x+45

2x²-15x-6x+45

taking common

x(2x-15)-3(2x-15)

(2x-15)(x-3)

is your answer

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