drcarver
06.10.2020 •
Mathematics
Simplify –3 – 1.
A. –4
B. 2
C. 5
D. –2
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Ответ:
Ответ:
3x2+5x−6−x2+3x+9
=3x2+5x+−6+−x2+3x+9
Combine Like Terms:
=3x2+5x+−6+−x2+3x+9
=(3x2+−x2)+(5x+3x)+(−6+9)
=2x2+8x+3
Answer is: =2x2+8x+3
Step-by-step explanation: