Question

rau:
1 x2-7x=0
g) x2 + 5x = 0​

Answer 1

x² - 7x = 0

x • (x - 7) = 0

x= 0

x - 7 = 0

x= 0 + 7

x= 7

S= ( 0 , 7)

G) x² + 5x = 0

x • (x + 5) = 0

x= 0

x + 5 = 0

x= 0 - 5

x= - 5

S= ( 0 , - 5)