angehtjgdb
26.08.2020 •
Mathematics
Add the polynomials (7x3−2x2−12)+(−3x3−8x2+10x)
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Ответ:
See below
Step-by-step explanation:
● (7x^3 - 2x^2 -12) + (-3x^3 - 8x^2 +10x)
● 7x^3 - 2x^2 - 12- 3x^3 - 8x^2 + 10x
Combine like terms
● 7x^3 - 3x^3 -2x^2 - 8x^2 -12 + 10x
● 4x^3 - 10x^3 +10x -12
Ответ:
2x+18+5x-9
2x+5x18-9
7x+9
7. 7
x= 1.4
hope it helps