Answer:
168
Step-by-step explanation:
Answer:
<em>x⁴-3x³+x²-4</em>
Step-by-step explanation:
<em>I know cuz i worked it out, and it's really hard to explain, so just trust me.</em>
Answer:
7y
Are the $ signs supposed to be there?
Step-by-step explanation:
$7(x+y)-7x$ =
(7x + 7y) - 7x
7y
The expanded form of 15 is 10+5.