I would say the correct term to fill in the blank would be unit. A unit rate represents how many of a certain unit corresponds to another one unit. For instance, 200 miles per 1 hour, 5 kg/s, 16 m^3/min. Hope this answers the question.<span />
First step, expand the left side (multiply together) (apply FOIL/distribution property)
2nd step, solve so that one side is zero, by adding/subtracting like terms
3rd step, solve for x
Answer:
(x+3)⁴
Step-by-step explanation:
(1)x⁴
+
(4)x³.3
+
(6)x²3²
+
(4)x 3³
+
(1)3⁴
= x⁴+ 12x³+ 54x² + 108x + 81
