Answer:-1/2
Step-by-step explanation:
Step-by-step explanation:
log <base a> b = x
means
a^x = b
So
3^2 = x^2+7x+21
x^2 + 7x + 21 - 9 = 0
x^2 + 7x + 12 = 0
(x+3)(x+4)
x = -3 or -4
Answer:
x=1800
Step-by-step explanation:
x-1584/x=0.12
x-1584=0.12x
x-0.12x=1584
0.88x=1584
x=1800
Hope this helps plz hit the crown :D