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= 6a + 2 - 8a -8
= 6a - 8a + 2 -8
= -2a - 6
2). a.8 ( 2x - 3y ) = 16x -24y
b.5 ( 2 - 5x + 10x^3 - 3x^2 )
= 10 - 25x + 50x^3 - 15 x^2
c.2n^3 ( n^2 - 2n + 1 ) = 2n^5 - 4n^4 + 2n^3
4(2a + 2) = 8a + 8
8a + 8 - 6a + 2 = 2a + 10
(2) a. 8(2x - 3y) = 16x - 24y
b. 5(2 - 5x + 10x^3 - 3x^2)
= 10 - 25x + 50x^3 - 15x^2
= 50x^3 - 15x^2 - 25x + 10
c. 2n^3 (n^2 - 2n + 1)
= 2n^5 - 4n^4 + 2n^3