Step-by-step explanation:
hello :
x² - 6x = 7
x² - 6x+9-9___= 7
(x - 3 )²= __16_
x - 3= +/-_4__
x-3=4__and x-3 =_-4_
x^6
step-by-step explanation:
this is correct because:
x-6=0
0*x=0
so
yes
yes yes yes