Question

sum of zeros of 3x³-2x²-18x+4 is
I want it soo fast please help me​

Answer 1

Step-by-step explanation:

p(x) = 3x³ - 2x² - x + 4

p(- 1) = 3(-1)³ - 2(-1)² - (-1) + 4

p(- 1) = 3 × (-1) - 2 × 1 + 1 + 4

p(- 1) = - 3 - 2 + 5

p(- 1) = - 5 + 5 = 0

p(- 1) = 0

So, as per Factor Theorem

-1 is zero if p(x)