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11.2.2: Sumando y restando polinomios
https://espanol.libretexts.org/Matematicas/Matematicas_Aplicadas/Matematicas_del_Desarrollo_(NROC)/11%3A_Exponentes_y_polinomios/11.02%3A_Polinomios_con_Variables_Individuales/11.2.02%3A_Sumando_y_restando_polinomios
$\ \left(4 x^{3}+5 x^{2}-6 x+2\right)+\left(-4 x^{2}+10\right)=4 x^{3}+x^{2}-6 x+12$ $\ \left(15 x^{2}+12 x+20\right)-\left(9 x^{2}+10 x+5\right)=6 x^{2}+2 x+15$ Restar. \(\ \left(14 x^{3}+3 x^{2}... $\ \left(4 x^{3}+5 x^{2}-6 x+2\right)+\left(-4 x^{2}+10\right)=4 x^{3}+x^{2}-6 x+12$ $\ \left(15 x^{2}+12 x+20\right)-\left(9 x^{2}+10 x+5\right)=6 x^{2}+2 x+15$ Restar. $\ \left(14 x^{3}+3 x^{2}-5 x+14\right)-\left(7 x^{3}+5 x^{2}-8 x+10\right)$ $\ 14 x^{3}+3 x^{2}+(-5) x+14+(-7) x^{3}+(-5) x^{2}+8 x+(-10)$ $\ \left(14 x^{3}+3 x^{2}-5 x+14\right)-\left(7 x^{3}+5 x^{2}-8 x+10\right)$ $\ \left(14 x^{3}+3 x^{2}-5 x+14\right)-\left(7 x^{3}+5 x^{2}-8 x+10\right)=7 x^{3}-2 x^{2}+3 x+4$

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