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  • 20-02-2018
  • Mathematics
contestada

The expression below is the factorization of what trinomial?

(2x + 7)(4x - 3)

A. 8x2 + 22x + 4
B. 8x2 + 28x - 21
C. 8x2 + 28x + 4
D. 8x2 + 22x - 21

Respuesta :

Аноним Аноним
  • 20-02-2018
(2x + 7)(4x -3) 
= (2x)(4x) + (2x)(-3) + (7)(4x) + (7)(-3)
= 8x^2 - 6x + 28x - 21
= 8x^2 + 22x - 21 (Answer D)
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