Answer:

Step-by-step explanation:
Given

Required
Solve for x

Open all brackets




Collect like terms


Solve fraction


Multiply both sides by 6



Answer:
last one i gussing
Step-by-step explanation:
Answer:
150
Step-by-step explanation:
- Round: 869 → 900
- 900 ÷ 6 = 150
I hope this helps!
We need a matching complex to 2+3i. The conjugate is 2-3i and the two factors are (x-2-3i)(x-2+3i)=(x²-4x+4+9)=x²-4x+13.
The polynomial is (x-4)(x+8)(x²-4x+13)=(x²+4x-32)(x²-4x+13)=
x⁴-4x³+13x²
+4x³-16x²+ 52x
-32x²+128x-416
x⁴-35x²+180x-416 is the 4th degree polynomial.