Question

(x^4) (3x^3-2) (4x^2+5x)

Answer 1

12x^7+15x^6

Explanation:

Change 3x^3-2 to 3x

(x^4)(3x)(4x^2+5x)

Multiply your single terms

(3x^5)(4x^2+5x)

Then distribute

12x^7+15x^6