Advertisement Remove all ads
Advertisement Remove all ads
Sum
factorise: x2 + 5xy + 4y2
Advertisement Remove all ads
Solution
x2 + 5xy + 4y2
= x2 + 4xy + xy + 4y2
= x(x + 4y) + y (x + 4y)
= (x + 4y)(x + y)
Concept: Factorisation by Grouping
Is there an error in this question or solution?
Advertisement Remove all ads
APPEARS IN
Advertisement Remove all ads