Respuesta :

KanyeW3st

Answer:

if you multiply the denominator by the AB^3 by 7 you wll get your common factor

Step-by-step explanation:

ChoiSungHyun

Step-by-step explanation:

Question 15:

5(x - 9) - 2(x + 3)

= (5)(x) + (5)(-9) - (2)(x) - (2)(3)

= 5x - 45 - 2x - 6

= 3x - 51

= 3(x - 17).

Question 16:

The terms 36x, 18y and 9 have GCF of 9.

Hence 36x - 18y + 9 = 9(4x - 2y + 1).

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