Question

find the value of P(-1) + P(-2), if P(x) = 15x - 5x - 3​

Answer 1

$\huge\underbrace\mathcal\pink{anSwer}$

Given: P(x) = 15x - 5x - 3

P(-1) = 15(-1) -5(-1) - 3

⠀⠀⠀= -15 + 5 - 3

⠀⠀⠀= -16 + 5

⠀⠀⠀= -11

P(-2) = 15(-2) -5(-2) - 3

⠀ ⠀⠀= -30 + 10 - 3

⠀ ⠀⠀= -33 + 10

⠀ ⠀⠀= -23

So, P(-1) + P(-2)

⠀⠀= -11 + (-23)

⠀⠀= -11 - 23

⠀⠀= -34 ans.

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