Question

Factorise. √x+15 = (x+3)​

Answer 1

Answer:

Step-by-step explanation:

sqrt(x+15)=x+3

x+15=x^2+6x+9

x^2+5x-6=0

x^2+6x-x-6=0

x(x+6)-1(x+6)=0

x=1,-6

Answer 2

Answer:

x= 1,-6

See attachment