Question

please please please please please help me I have exam tomorrow ❤️
how I factorise this


x2+10x+11=0
​

Answer 1

x² + 10x -11 = 0

x² + 11x - x - 11 = 0

x( x + 11 ) - 1 ( x + 11) = 0

( x - 1) ( x + 11) = 0

So,

x- 1 = 0

x = 1

or,

x +11 = 0

x = -11