contestada

need help asap!

(3x3 - 4x2 + 3x - 4) - (5x3 - 6x2 - 7x + 9)

a. 8x3 + 2x2 + 10x - 13

b. -2x3 -10x2 + 10x - 13

c. -2x3 + 2x2 + 10x - 13

d. 8x3 - 10x2 - 4x + 5

Respuesta :

leggish

(3x3 - 4x2 + 3x - 4) - (5x3 - 6x2 - 7x + 9) = 10x - 11

simplify all of them and find out which letter it is.

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