Question

me ajudem a resolver essa questão

Answer 1

a) 3x²-4x+y+2x²-5y+1 = 5x²-4x-4y+1

b) (5x²+2x+1)-(4x²+8x-7) =

5x²+2x+1-4x²-8x+7

x²-6x+8

c) x(2x²+3xy+y²) = 2x³+3x²y+xy²

d) 6x³y²z÷4xyz = 3/2x⁴y³z²

❤️❤️ Boa noite!!!

29/10/21