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= 12a-36b + 18c
b) (3x-2y+9)*4 =
= 12x -8y + 36
c) 3(5x-8z-2) =
= 15x-24z -6
d) (4x-7y-7)(-2)=
= -8x+14y+14
e) -8(7n+9p+t) =
= -56n - 72 p -8t
b.=12x-by+36
c.=15x-24z-6
d.=-8x+14y+14
e.=-56n-72p-t
b) (3x-2y+9)*4 = 12x-8y+36
c) 3(5x-8z-2) = 15x-24z-6
d) (4x-7y-7)(-2) = -8x+14y+14
e) -8(7n+9p+t) = -56n-72p-8t
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