Question

factorise the following by regrouping x²+xy+5x +5y​

Answer 1

Answer:

Given: x2−5x+xy−5y

Change the grouping:

(x2−5x)+(xy−5y)

Remove common factors from each group

x(x−5)+y(x−5)Group into two binomials:

(x−5)(x+y)