Answer:
-75 x^4 + 85 x^5 - 32 x^6 + 4 x^7
Step-by-step explanation:

Expand and get
-75 x^4 + 85 x^5 - 32 x^6 + 4 x^7
-3/5 or -0.6
:) hope i helped
Answer: D, 6y + 1z = 7x - 3w
Step-by-step explanation: Expressions do not have equal signs (=), D is the correct answer.
hi <3
lets call the unknown number 'x' for now and form an equation from what we know
1/3(x-9) = 15
now multiply both sides by 3
x - 9 = 45
add 9 to both sides
x = 54
hope this helps :)