Question

(−x + 6y − 9) ∗ (x − 8y)

Answer 1

x (x−8y) + 6y (x−8y) − 9(x−8y)

−x ² + 8xy + 6y (x−8y) − 9(x−8y)

−x ​² + 8xy + 6yx − 48y ²  − 9(x−8y)

−x² + 8xy + 6yx − 48y ² − (9x−72y)

−x²​​ + 8xy + 6yx−48y ² − 9x + 72y

−x ​² + (8xy + 6xy) − 48y² − 9x + 72y

−x ​²​​ + 14xy − 48y​²​​ − 9x + 72y