Answer:15x^4-29x^3+6x^2+8x
Step-by-step explanation:
(3x^2-7x+4)(5x^2+2x)
Open brackets
15x^4+6x^3-35x^3-14x^2+20x^2+8x
Add or subtract like terms
15x^4-29x^3+6x^2+8x
Answer:
Ape-x
