Question

Simplify: (3x – 8y) (3x + 8y + 6) – 9x + 24y
ANS:-
9x²+9x-64y²-24y

Answer 1

Step-by-step explanation:

$9{x}^{2} + 24xy + 18x - 24xy - 64 {y}^{2} - 48y - 9x + 24y$

$9 {x}^{2} + 9x - 64 {y}^{2} - 24y$