Question

Multiply. (2x+5)(3x^2+2x+1)

a. 6x^3+19x^2+12x+5
b. 6x^3+15x^2+12x+6
c. 6x^3+19x^2+8x+6
d. 6x^3+18x^2+20x+5

Answer 1

a.
`6x^(3)+19x^(2)+12x+5`

Explanation:

`(2x+5)(3x^(2) +2x+1)\\\\6x^(3)+4x^(2)+2x+15x^(2)+10x+5=\\\\6x^(3)+19x^(2)+12x+5`

Answer 2

Solution is in attachment !!

`\boxed{ \boxed{6 {x}^(3) + 19x + 2x + 5 }}`