FairyTailsLucy
Answered

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1) Subtract:
g-2 / 6 (g - 2 over 6) - g+3 / 9 (g+3 over 9)

A. g-12/18
B. -2/18
C. -g-5/18
D. g-5/18


2) Divide and simplify:

(a+5)(a-2) / a^2 - a ÷ 3(a+5) / (a-1)(a-2)

A. a+5 / a-2
B. (a-2)² / 3
C. (a-2)² / 3a
D. 3(a+5)² / a(a-1)²



3) Factor completely:

81x4 – 1

A.(9x2 + 1)(3x + 1)(3x – 1)
B.(3x + 1)2(3x – 1)2
C.(9x2 + 1)(9x2 – 1)
D.(3x + 1)(3x – 1)

Sagot :

ahawk
1) a 2) c 3) c Details can be explained, it is easier to work backwards from a solution through the problem, though. I hope this helps at all. Ahawk
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