Pyr0manical Pyr0manical

05-04-2018
Mathematics

contestada

Multiply and simplify.
(2x - 1)(6x - 7)
A) 12x^{2} - 20x - 7
B) 12x^{2} - 2x + 7
C) 12x^{2} + 20x + 7
D) 12x^{2} - 20x + 7

Respuesta :

WojtekR WojtekR

05-04-2018

[tex](2x-1)(6x-7)=2x\cdot 6x-2x\cdot7-1\cdot 6x+1\cdot7=\\\\=12x^2-14x-6x+7=\boxed{12x^2-20x+7}[/tex]

Answer D.

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