Factorize expressions: 9a2 – 24ab + 16b2
We have,
9a2 – 24ab + 16b2
By using the formula (x – y)2 = x2 + y2 – 2xy
Here x = 3a, y = 4b So,
(3a)2 + (4b)2 – 2 (3a) (4b)
(3a – 4b)2
(3a – 4b) (3a – 4b)
Divide as directed (x4 – 81) ÷ (x3 + 3x2 + 9x + 27)
Divide as directed (3x3 – 6x2 – 24x) ÷ (x – 4) (x + 2)
Divide as directed 15(y + 3)(y2 – 16) ÷ 5(y2 – y – 12)
Factorise x2 + 2xy – 99y2
Factorise 6x2 – 5xy – 6y2