saderobinsonacts saderobinsonacts
  • 31-07-2018
  • Mathematics
contestada

Simplify: (2x^2-9x-6) - (8x^2+7+6)

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Kristiania Kristiania
  • 31-07-2018

(2x²-9x-6) - (8x²+7+6)

let us distribute the negative sign over the second bracket first,

2x²-9x-6 - 8x²-7x-6

Now combining like terms

-6x²-16x-12

Answer Link
ericalexington ericalexington
  • 31-07-2018
The answer would be -6x^2-9x-19

Because firstly you distribute the negative sign

2x^2 -9x-6+-1(8x^2+7+6)

2x^2+-9x+-6-1(8x^2)+(-1)(7)+(-1)(6)

2x^2+-9x+-6+-8x^2+-7+-6

And combine like terms
Answer Link

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