maribel199916
maribel199916
13-04-2018
Mathematics
contestada
Evaluate-3×a -4×for ×=-1
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Аноним
Аноним
13-04-2018
-3(-1)a - 4(-1)
3a + 4 <--------------Answer simplified
Answer Link
penfila11Pen
penfila11Pen
13-04-2018
Hey there :)
-3xa - 4x
We are given x to be - 1
Therefore, we simply substitute
- 3 ( - 1 ) a - 4 ( - 1 )
3a + 4
There are no more like-terms, so that is your simplified form
Answer Link
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