dumngirl2504
01.09.2020 •
Mathematics
Subtract -9x-7 from 8x2 -5x +9
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Ответ:
8x2+4x+16
Step-by-step explanation:
first you would place as so
8x2-5x+9 - (-9x-7)
you would then change question to addition but do this you would have to switch the signs for the one in the parenthisis. it would look like 8x2-5x+9 + 9x+7
You then add like terms and put them into standard form.
hope this helps!!
Ответ:
6. I think its C
Might be wrong,