ysabel41 ysabel41

10-09-2020
Mathematics

contestada

(3.rº – 7x + 2) - (2x² – 4x + 5)
Simplify this^

Answer choices :
A. x2 -11x - 3
B. x2 - 3x + 7
C. x2 -3x -3
D. x2 - 11x + 7

Respuesta :

muhammadbsse3837 muhammadbsse3837

10-09-2020

Answer:

choice C: x2 -3x -3

Step-by-step explanation:

(3x^2-7x+2)-(2x^2-4x+5)

becomes

3x^2-7x+2 -2x^2+4x-5

adding

3x^2-2x^2 -7x+4x +2-5

which is

x^2 -3x -3

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