Question

(10x^4+5x^3+4x^2-9)(x-1)​

Answer 1

10x^5 - 5x^4 - x^3 - 4x^2 - 9x + 9

Explanation:

(10x^4+5x^3+4x^2-9) × (x-1)​

10^5 - 10x^4 + 5x^4 -5x^3 +4x^3 - 4x^2 -9x + 9

Collect Like terms

10^5 - 10x^4 + 5x^4 -5x^3 +4x^3 - 4x^2 -9x + 9

10^5 - 5x^4 -x^3 - 4x^2 -9x + 9

Final Answer

10x^5 - 5x^4 - x^3 - 4x^2 - 9x + 9

Answer 2

10x3 - 5x2 + 9x - 9

Explanation:

10x4 + 5x3 + 4x2 - 9

Simplify ————————————————————

x + 1