Question

the value of X4 - X3 - X2 -X is __________ when X1​

Answer 1

Answer:

15

Step-by-step explanation:

$2 < 6 < { = 6.5( - { > {06 > 9? \times \frac{?}{?} }^{?} }^{?} }^{?} \times \frac{?}{?}$