shhells
13.09.2020 •
Mathematics
(6x to 2nd power -3x -7) (2x +5)
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Ответ:
12x³ + 30x² - 6x² - 15x - 14x - 35
12x³ + 24x² - 29x - 35
Ответ:
x=4
Step-by-step explanation:
what i did is try to make some whole number and the minimum i got was 4.
1/4 = 0.25 so then do 12+4=16. then do 16*0.25=4. now do 4-6=(-2) then 1/2=0.5. now do 0.5* -2= -1. now do 4-1=3. now when there's no answer x can equal anything