Math, asked by sflmohali, 1 month ago

find the value a if x+a is a factor of x³+3x²+4x+a.​

Answers

Answered by Anonymous
3

Answer:

Step-by-step explanation:

x + a = 0

⇒ x = -a

∴ (-a)³ + 3 × (-a)² + 4 × (-a) + a = 0

→ -a³ + 3a² -4a + a = 0

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