Question

Factorise X ^2 + 5x + 6 and then divide it by x+2

Answer 1

x^2+5x+6=x^2+(3+2)x+6=x^2+3x+2x+6=x^2+2x+3x+6=x(x+2)+3(x+2)=(x+2)(x+3) Ans. divide by (x+2) we get only (x+3)