Simplify:–4(7x – 3y – z) – (–6)(9x – z + 2)
–4(7x – 3y – z) – (–6)(9x – z + 2); = -28x + 12y + 4z - (-54x + 6z - 12); = -28x + 12y + 4z + 54x - 6z + 12; = 26x + 12y - 2z + 12
Question
Updated 3/22/2016 6:31:23 PM
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–4(7x – 3y – z) – (–6)(9x – z + 2);
= -28x + 12y + 4z - (-54x + 6z - 12);
= -28x + 12y + 4z + 54x - 6z + 12;
= 26x + 12y - 2z + 12
Confirmed by Andrew. [3/22/2016 10:10:02 PM]

Questions asked by the same visitor
Simplify: (2.4)(a – 0.2b + 3.5c)
Question
Updated 3/22/2016 10:42:55 AM
(2.4)(a - 0.2b + 3.5c)
= 2.4a - 0.48b + 8.4c
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