The polynomial

may have solutions which are the divisors of -20, therefore -20 has the following divisors:

.
If x=1, then

,
if x=-1, then

,
if x=2, then

, then x=2 is a solution and you have the first factor (x-2).
If x=-2, then

, then x=-2 is a solution, so you have the second factor (x+2).
Since x-2 and x+2 are two factors of

, then the polynomial

is a divisor of

and dividing the polynomial

by

you obtain

.
Answer:

thats it all of them are 69
Take the cross product of both sides of

with

to generate a system of three simultaneous equations.



since

for any vector

.
Finally, use the fact that the cross product is anticommutative, i.e.

. The conclusion follows.
Answer:
x=9
Step-by-step explanation:
To solve, simplify the equation them isolate x.
8(2x- 6) = 96 Distribute over brackets by multiplying
16x - 48 = 96 Add 48 to both sides
16x = 144 Divide both sides by 16
x = 9 Final answer