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
It would be 300 text message for the plan to cost the same each month
Mark as brainly
Answer:
12/15 + 10/15= 1 whole and 7/15
Step-by-step explanation:
1, 1 and 17. Since 17 is a prime number, there isn’t exactly numbers that are multiplied by each other that give 17.