Question

plzz slove the problems​

Answer 1

6) a +2a =180(linear pair

3a =180

a =180/3=60

8) (3x+2)(3x-2)

by a^2-b^2 = (a+b)(a-b)

3x^2 - 2^2

9 x^2 -4

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Answer 2

Answer:

Thanks for free points

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