Question

RESOLVER AS ADIÇOES E SUBTRAÇOES DE POLINÔMIOS:(16X²-5X+13)-(13X²+14X-15) =

Answer 1

(16x²-5x+13)-(13x²+14x-15)
16x²-5x+13-(13x²+14x-15)
16x²-5x+13-13x²-14x+15
3x²-5x+13-14x+15
3x²-19x+13+15
3x²-19x+28

Answer 2

x=2.333333333333332
x=4.000000000000001