Factorize expression a (a – 2b – c) + 2bc
We have,
a (a – 2b – c) + 2bc
a2 – 2ab – ac + 2bc
a (a – 2b) – c (a – 2b)
(a – 2b) (a – c)
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