Respuesta :

EXPLANATION

Given the expression:

3x^2 + 5x^2 + 2x

Apply the exponent rule: a^(b+c) = a^b*a^c

x^4=xx^3 x^2=xx

=3xx^3 + 5xx + 2x

Factor out common term:

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

Cancel the common factor: x

=3x^3 + 5x + 2

So, the answer is the second option.

RELAXING NOICE
Relax