Answer:
2x²+3x-54
Explanation:
To simplify the expression
(2x − 9)(x + 6)
We will multiply both linear equations together to get a quadratic equation of second degree.
(2x − 9)(x + 6)
= 2x²+12x-9x-54
= 2x²+3x-54
This gives the required quadratic expression after simplification.