Answer:
I got 4 for both of them hope this helps
22)
(x^2-16)(x^2+4)=0
can you finish?
solve for x (plus and minus because two solution and degreee 4 so total 4 answers )
x=+-4 x=+-2
hope this helps.
for 10 I know a way but it might confuse you
3x + 12 - 6x < -9
-3x +12 < -9
-3x < -21
x < 7
Answer:
280.6 repeating
Step-by-step explanation:
I attached an image of how to do the division. It is kind of difficult to explain like this.