Question

factorise:x square-21x+110​

Answer 1

it is quadratic equations solve it by completing the square method u will get 2 values one will negative it will be rejected

Answer 2

Hi.

Solution:

x^2 - 21x + 110 [middle term factorisation]

= x^2 - 10x - 11x + 110

= x( x-10 ) - 11( x-10 )

= (x - 10)(x - 11) (ans.)

Hope it helped.