Respuesta :

meghna300

Answer:

x=4,-3

Step-by-step explanation:

x^2+4x-9=5x+3

or,x^2+4x-5x-9-3=0

or,x^2-x-12=0

or,x^2-4x+3x-12=0

or,x(x-4)+3(x-4)=0

or,(x-4)(x+3)=0

or,(x-4)=0 OR (x+3)=0

or,x=4,x=-3