Question

calcule os produtos ( multiplicacoes)
a) x².x elevado a 5

b)(-10y³).(2y⁴

c)x².(xy-x²-y²)

d)(5a+4.(2a+3)

e(2x+1).(5x-3)

f)5b.(2b²+7b-1)
​

Answer 1

a) x².x⁵ = x⁷

b)(-10y³).(2y⁴) = -20y⁷

c)x².(xy-x²-y²) = x³y-x⁴-x²y²

d)(5a+4).(2a+3) = 10a²+15a+8a+12 = 10a²+23a+12

e(2x+1).(5x-3) = 10x²-6x+5x-3 = 10x²-x-3

f)5b.(2b²+7b-1) = 10b²+35b²-5b

❤️ Ótimo final de semana ❤️

04/12/21