Question

Help me solve this pleeeeease

Answer 1

Hi,

Answer : 9750 and 30x^4-50x^3-825x+1375

Explanation:

`(15x-25)(2x^3-55)\ when\ x=5\ is\\(15*5-25)*(2*5^3-55)=(75-25)*(250-55)=50*195=9750\\Answer\ maybe\ A\ or\ D\\but \\in\ (15x-25)(2x^3-55)\ coefficient \ of \ x^3\ is \ 2x^3*(-25)=-50x^3 \ thus \ -50\\Correct\ answer \ is \ D\\`