Answer:

Step-by-step explanation:







Answer:
x = {-4, 4}
Step-by-step explanation:
Subtracting 3 gives ...
5x^2 = 80
Dividing by 5, we get ...
x^2 = 16
Taking the square root gives the solutions ...
x = ±4
The smaller value of x is -4; the larger value is 4.
Answer:
Step-by-step explanation:
Use the change-of-base rule.
That would be 8 because the answer is 8.21 and you round down to 8
6= w/8
is
w= -48
that should be if not sorry DX