Răspuns:
1. 7x^6
2. [tex]x\left(4x^2+3x+2\right)[/tex]
3.[tex]6x^5-24x^3+24x^2-22x+4[/tex]
4. [tex]x^5+x^4+x^3-x^2+x-1[/tex]
5. [tex]100x^{99}-9801x^{98}[/tex] = [tex]x^{98}\left(100x-9801\right)[/tex]
6.
7. [tex]-\dfrac{1}{x^2}[/tex]
8. [tex]\ln\left(4\right){\cdot}4^x+\ln\left(3\right){\cdot}3^x+\ln\left(2\right){\cdot}2^x[/tex]
9. [tex]2\cos\left(x\right)-3\sin\left(x\right)[/tex]
10.
11. [tex]x\mathrm{e}^x+\mathrm{e}^x[/tex]
12. [tex]\sin\left(x\right)+x\cos\left(x\right)[/tex]
