orladuffy1 orladuffy1
  • 22-11-2017
  • Mathematics
contestada

Please help on question 7 I am extremely confused

Please help on question 7 I am extremely confused class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 22-11-2017
(x - 1)(2x + 3)
= 2x2 -2x + 3x - 3
= 2x^2 + x - 3

(2x - 3)(2x + 3) = 4x^2 - 9

so answer

(x - 1)(2x + 3)                                 x - 1
------------------  simplifies to    ------------------
   4x^2 - 9                                     2x - 3


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