add the following 2x(3x+8y),5y (9x+12z),6z (7y-8z)
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Step-by-step explanation:
2x
(3x+8y)
= 11xy
5y
(9x+12z)
= 21xz
6z
(7y-8z)
= -1
2x,5y,6z
256
xyz
11+21
32
32-1
31
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