rileu8521 rileu8521
  • 14-02-2018
  • Mathematics
contestada

What is the product of the polynomials below?

(7x2 + 5x + 7)(4x - 6)

A. 28x3 - 62x2 - 2x - 42
B. 28x3 - 22x2 - 58x - 42
C. 28x3 - 22x2 - 2x + 42
D. 28x3 - 22x2 - 2x - 42

Respuesta :

Аноним Аноним
  • 19-02-2018
(7x2 + 5x + 7)(4x - 6)
= 28x^3 - 42x^2 + 20x - 30x + 28x  - 42
= 28x^3 - 22x^2 - 2x - 42

It's  D
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