kmberry840owjdmp kmberry840owjdmp

02-06-2018
Mathematics

contestada

PLEASE HELP ASAP

simplify (3x^2 - 3 + 9x^3) - (4x^3 - 2x^2 + 16).

x^3 - 5x^2 + 25

-x^3 + x^2 + 25

5x^3 + 2x + 13

5x^3 + 5x^2 - 19

Respuesta :

Ster007 Ster007

02-06-2018

It is none of them
9x³ - 4x³ = 5x³
3x² - -2x² = 3x²+2x² = 5x²
-3 - 16 = 13
So :
5x³ + 5x² +13

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