Question

d) 7x2 - 2x = 0
i) -2x + 10x = 0​

Answer 1

d)7x²-2x=0

x(7x-2)=0

x'=0

7x-2=0

7x=2

x"=2/7

i)-2x²+10x=0

x(-2x+10)=0

x'=0

-2x+10=0

-2x=-10

x"=-10/-2

x"=5

Espero ajudar ❤

Answer 2

Resposta:

Explicação passo-a-passo: