54 will go in the box that says divisible by 6 and 9. 72 would go under the one that says divisible by 2 and 6. 84 would do under the divisible by 2 and 6. 90 goes under divisible by 5 and 9. and 96 goes under divisible by 6 and 9.
Answer:
x=+/-3
Step-by-step explanation:
x^4-5x^2-36=0
factor
(x^2-9)(x^2+4)=0
split into 2 equations because one of these terms will need to equal zero for the eqation to be true
x^2-9=0 x^2+4=0
x^2=9 x^2=-4
x=+/-3 no real numbers
The answer is: 64
Hope it helps! And have a great day✌
