Question

identifique as raizes das funções do 1 grau

a)5x+15=0

b)2x+3=0

c)6x-3=0

d)10x+2+22=0

URGENTEE MEUS AMORESS

Answer 1

Olá

a)

5x + 15 = 0

5x = - 15

x = - 15/5 ÷ 5

x = 3

b)

2x + 3 = 0

2x = - 3

x = - 3/2

c)

6x - 3 = 0

6x = 3

x = 3/6 ÷ 3

x = 1/2

d) 10x + 2 + 22 = 0

10x = - 2 - 22

10x = 24

x = 24/10 simplifica por 2

x = 12/5

Espero ter ajudado