Question

completar los terminos que faltan

Answer 1

b)     (3/5)x⁴-(1/2)x²-7
    - (8/15)x⁴+(1/4)x²+1 
      (1/15)x⁴-(1/4)x²-6

c) -5a³+3a²b+ab²
     6a³+2a²b-3ab²
       a³+5a²b-2ab²

d) 12x+3x²-5x³+7x⁴
     -2x+ x² +2x³-6x⁴
    10x+4x²-3x³+x⁴