Question

The expression 2x(3x^2+4) can be simplified into which of the following?


a. 6x^3+4

b. 5x^3+6x

c. 6x^2+8x

d. 6x^3+8x

Answer 1

Answer:

$\large\boxed{d.\ 6x^3+8x}$

Step-by-step explanation:

$2x(3x^2+4)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(2x)(3x^2)+(2x)(4)\\\\=6x^3+8x$