Question

If p (x) - 2x3 - 2x² - 3x +5
then p (-1) is ?​

Answer 1

Answer:

13

Step-by-step explanation:

p(-1) = 6-2(-1)^2-3(-1)+5

= 6-2+4+5

13

Answer 2

Answer:

$x - 1 = 0 \\ x = 1 \\ p( 1) = - 2x^{3} - 2x ^{2} - 3x + 5 \\ = - 2 \times { 1}^{3} - 2 \times {1}^{2} - 3 \times 1 + 5 \\ = - 2 \times 1 - 2 \times 1 - 3 + 5 \\ = - 2 - 2 + 2 \\ = 0$

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