Question

x² + 9x + 18, Factorise the expression.

Answer 1

Heya !!



X² + 9X + 18




=> X² + 6X + 3X + 18





=> X ( X + 6 ) + 3 ( X + 6 )




=> ( X + 6 ) ( X + 3 ) .

Answer 2

${x}^{2} + 9x + 18 \\ {x }^{2} + 6x + 3x + 18 \\ x(x + 6) + 3(x + 6) \\ \\ (x + 3)(x + 6)$
hope it will help you.