m3rk098 m3rk098
  • 26-04-2018
  • Mathematics
contestada

hey:) can you please help me posted picture of question

hey can you please help me posted picture of question class=

Respuesta :

CastleRook
CastleRook CastleRook
  • 21-06-2018
To expand the given expression we proceed as follows:
(6x²-2x-6)(8x²+7x+8)
=6x²(8x²+7x+8)-2x(8x²+7x+8)-6(8x²+7x+8)
=48x⁴+42x³+48x²-16x³-14x²-16x-48x²-42x-48
putting like terms together:
48x⁴+(42x³-16x³)+(48x²-48x²)+(-16x-42x)-48
=48x⁴+26x³+0x²-58x-48
hence the answer is:
48x⁴+26x³-58x-48
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