Factorise:
A^2-ab+4b-16
Answers
Answered by
20
Answer:
a^2 -ab + 4b -16
a^2 -16 -ab +4b
a^2 -4^2 - b( a - 4)
( a-4)( a+4) - b( a-4)
(a-4)( a+ 4 - b)
Answered by
2
Answer:
a2 - ab + 4b - 16
=a2 - 16 -ab +4b
= a2 - (4)2 -ab+4b
= a(a-4) - b( a-4)
(a-4) (a-b)
Similar questions