14-04-2022
Mathematics

contestada

When x^2 + bx + 2 is divided by
X + 3, the remainder is 5. find the value of b

Respuesta :

jasongggg jasongggg

14-04-2022

Answer:

b = 2

Step-by-step explanation:

Let f(x) = x² + bx + 2,

[tex]f( - 3) = 5 \\ {( - 3)}^{2} - 3b + 2 = 5 \\ 11 - 3b = 5 \\ 3b = 6 \\ b = 2[/tex]

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