Step-by-step explanation:
Answer is attached....of both the parts.
Hope it helps:)
Answer:
4n^3-n^2-5n
Step-by-step explanation:
n(2n+4n2−5−3n)
=(n)(2n+4n2+−5+−3n)
=(n)(2n)+(n)(4n2)+(n)(−5)+(n)(−3n)
=2n2+4n3−5n−3n2
=4n3−n2−5n
O= 4 & -4
Explain: it shows on the paper
X ≥ 90 + 3x
You simplify the right side, then subtract 180 from both sides, then multiply by negative one.