megank6262
megank6262 megank6262
  • 21-02-2020
  • Mathematics
contestada


What is the solution to the following equation if x = 5?
x^3 + 2x^2 +x + 6

A. 756

B. 186

C. 46

D. 26
​

Respuesta :

Hrishii
Hrishii Hrishii
  • 21-02-2020

Step-by-step explanation:

[tex] {x}^{3} + 2{x}^{2} + x + 6 \\ = {5}^{3} + 2 \times {5}^{2} + 5 + 6 \\ = 125 + 50 + 11 \\ = 186[/tex]

Thus, option B 186 is the correct answer.

Answer Link
20brianah471
20brianah471 20brianah471
  • 21-02-2020

Answer

(B). 186

Step-by-step explanation:

(5)^3 + 2 x 5^2 + 5 + 6 =

5 x 5 x 5 + 2 x 5 x 5 + 5 + 6 =

125 + 2 x 25 + 5 + 6 =

125 + 50 + 5 + 6 =

186

Answer Link

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