C-03-Q111mediumsingle_mcq

Factorize $x^2 + 6x + 8 - y^2 + 2y$ :

Group as $(x^2+6x+8)$ wait — combine to $(x+3)^2-1-(y^2-2y+1)+ \dots$ ; directly, rearranged gives on expansion, matching option (a).

এই অধ্যায়ের আরও প্রশ্ন

(x - y + 2) (x + y + 4)

c

(x+y-2)(x-y-4)

d

(x+y+4)(x-y+2)

3)2−

1−

(y2−

2y+

1)+

…

x^2+6x+8-y^2+2y=(x+3)^2-1-(y-1)^2

(x+y+2)(x-y+4)