factories
2x^4-162
please answer fast
Answers
Answered by
0
Answer:
-146
Step-by-step explanation:
Answered by
1
Answer:
2x^4 - 162
=2 (x^4 - 81)
rewrinting x^4 as (x²)² and 81 = 9²
= 2 {(x²)² - 9²} a²-b² =(a+b)(a-b)
= 2 {(x²+9)(x²-9)}
=2{(x²+9)(x²-3²)}
=2{x²+9)(x+3)(x-3)}
hence factors are 2 , (x²+9), (x+3) and (x-3)
Similar questions