Question

(5x2-9+6x4+6x+7x3)÷x2-1

Answer 1

Answer:

-5x²-6x-48

Step-by-step explanation:

(5x²-9+6x∧4+6x+7x3)÷x²-1

(5x²-9+{(6x²)²}+6x+21) / {x²}-1

(5x²-9+36+6x+21) / -1

(5x²+6x+48) / -1

= -5x²-6x-48